diff --git a/campaign/Readme.md b/campaign/Readme.md
index 5ca92764f..3310bb5fe 100644
--- a/campaign/Readme.md
+++ b/campaign/Readme.md
@@ -272,3 +272,4 @@ To add a new event, add a new row in here, and run `python -m module.config.conf
 | 20251120   | coalition 20251120       | DATE A LANE                                  | DATE A LANE                | DATE A LANE                                        | DATE A LANE                          | -                          |
 | 20251127   | coalition 20251120       | DATE A LANE                                  | -                          | -                                                  | -                                    | DATE A LANE                |
 | 20251211   | event 20251023 cn        | Tempesta and Islas de Libertád               | -                          | -                                                  | -                                    | 颶風與自由群島             |
+| 20251218   | event 20251218 cn        | A Note Through the Firmament                 | 响彻于天穹之音             | A Note Through the Firmament                       | 天穹に響く音謡                       | -                          |
diff --git a/campaign/event_20251218_cn/a1.py b/campaign/event_20251218_cn/a1.py
new file mode 100644
index 000000000..36efe84e8
--- /dev/null
+++ b/campaign/event_20251218_cn/a1.py
@@ -0,0 +1,102 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+
+MAP = CampaignMap('A1')
+MAP.shape = 'I8'
+MAP.camera_data = ['D3', 'D6', 'E4', 'E6']
+MAP.camera_data_spawn_point = ['D3']
+MAP.map_data = """
+    -- ++ ++ -- -- -- -- -- --
+    -- SP ++ Me -- Me -- ME --
+    SP -- -- -- -- ++ -- -- ++
+    -- -- MS -- Me ++ ME -- --
+    ++ MS -- -- -- -- -- ME --
+    ++ -- __ ++ -- ME -- ME --
+    MB -- ME -- -- ++ ++ -- ++
+    -- ME -- ME -- ++ ++ -- --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50
+    10 10 50 50 50 50 50 50 50
+    10 10 20 25 50 50 50 50 50
+    10 20 25 50 50 50 50 50 50
+    50 25 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 1},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 1},
+    {'battle': 3, 'enemy': 1, 'boss': 1},
+    {'battle': 4, 'enemy': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, \
+    = MAP.flatten()
+
+
+class Config:
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_CHAPTER_SWITCH_20241219 = True
+    MAP_HAS_MODE_SWITCH = True
+    STAGE_ENTRANCE = ['half', '20240725']
+    STAGE_INCREASE_AB = True
+
+    MAP_SIREN_HAS_BOSS_ICON_SMALL = True
+    MAP_ENSURE_EDGE_INSIGHT_CORNER = 'bottom'
+    INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (120, 255 - 17),
+        'width': (1.5, 10),
+        'prominence': 10,
+        'distance': 35,
+    }
+    EDGE_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (255 - 17, 255),
+        'prominence': 10,
+        'distance': 50,
+        'wlen': 1000
+    }
+    HOMO_EDGE_COLOR_RANGE = (0, 17)
+    HOMO_EDGE_HOUGHLINES_THRESHOLD = 210
+    MAP_HAS_MOVABLE_NORMAL_ENEMY = True
+    MAP_SIREN_MOVE_WAIT = 0.5
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_SWIPE_MULTIPLY = (1.259, 1.283)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.218, 1.240)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.182, 1.204)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_3(self):
+        return self.clear_boss()
diff --git a/campaign/event_20251218_cn/a2.py b/campaign/event_20251218_cn/a2.py
new file mode 100644
index 000000000..cbb0f4463
--- /dev/null
+++ b/campaign/event_20251218_cn/a2.py
@@ -0,0 +1,79 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+from .a1 import Config as ConfigBase
+
+MAP = CampaignMap('A2')
+MAP.shape = 'I8'
+MAP.camera_data = ['D3', 'D6', 'E3', 'E6']
+MAP.camera_data_spawn_point = ['E3', 'D3']
+MAP.map_data = """
+    ++ -- ++ ++ ++ -- -- -- --
+    -- -- SP -- SP -- ++ ++ --
+    -- -- -- -- -- -- Me ++ --
+    -- ++ -- __ -- -- -- Me --
+    -- ++ MS -- MS -- ME -- --
+    -- -- -- MB -- -- -- ME --
+    -- ME ++ ++ ++ ME -- ME --
+    ME -- -- ++ -- -- ME ++ --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50
+    20 10 10 10 10 10 50 50 50
+    50 10 10 10 10 10 20 50 50
+    50 50 10 10 10 20 50 50 50
+    50 50 20 20 20 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 1},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 1},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 1, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, \
+    = MAP.flatten()
+
+
+class Config(ConfigBase):
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_SWIPE_MULTIPLY = (1.234, 1.257)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.193, 1.215)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.158, 1.179)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_4(self):
+        return self.clear_boss()
diff --git a/campaign/event_20251218_cn/a3.py b/campaign/event_20251218_cn/a3.py
new file mode 100644
index 000000000..d72d8cceb
--- /dev/null
+++ b/campaign/event_20251218_cn/a3.py
@@ -0,0 +1,82 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+from .a1 import Config as ConfigBase
+
+MAP = CampaignMap('A3')
+MAP.shape = 'I9'
+MAP.camera_data = ['D5', 'D7', 'F5', 'F7']
+MAP.camera_data_spawn_point = ['F5', 'D5']
+MAP.map_data = """
+    -- -- -- -- -- -- -- -- --
+    -- -- -- ++ ++ ++ -- -- --
+    ++ -- -- ++ ++ ++ -- -- --
+    -- ME -- ++ ++ ++ -- ME ++
+    ME -- -- SP -- SP -- -- ME
+    -- Me -- -- __ -- -- -- ME
+    -- ++ Me -- MB -- Me ++ ++
+    -- ++ -- MS -- MS -- ++ ++
+    -- -- ME -- ++ -- ME -- --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 25 50 50 50 25 50 50
+    50 25 10 10 10 10 10 25 50
+    50 50 20 10 10 10 20 50 50
+    50 50 25 20 20 20 25 50 50
+    50 50 50 25 25 25 50 50 50
+    50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 1},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 1},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 1, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, \
+A9, B9, C9, D9, E9, F9, G9, H9, I9, \
+    = MAP.flatten()
+
+
+class Config(ConfigBase):
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_SWIPE_MULTIPLY = (1.084, 1.104)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.048, 1.067)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.017, 1.036)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_4(self):
+        return self.clear_boss()
diff --git a/campaign/event_20251218_cn/b1.py b/campaign/event_20251218_cn/b1.py
new file mode 100644
index 000000000..9c857f485
--- /dev/null
+++ b/campaign/event_20251218_cn/b1.py
@@ -0,0 +1,104 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+
+MAP = CampaignMap('B1')
+MAP.shape = 'K8'
+MAP.camera_data = ['E3', 'E6', 'H3', 'H6']
+MAP.camera_data_spawn_point = ['H6']
+MAP.map_data = """
+    -- ++ -- -- -- -- -- -- -- -- --
+    ++ -- ME -- ME -- -- ++ ++ ++ --
+    -- ME -- -- ++ ME -- ++ ++ ++ --
+    -- -- ++ -- ME -- -- ++ ++ ++ --
+    -- -- -- -- -- -- -- SP -- SP --
+    -- ME -- ++ -- Me -- -- __ -- --
+    ++ -- ME -- ME ++ Me -- MS -- Me
+    -- ++ -- -- -- ++ -- MS MB MS --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 20 20 50 50 50 50
+    50 50 50 50 50 20 10 10 10 10 10
+    50 50 50 50 50 20 10 10 10 10 10
+    50 50 50 50 50 50 20 20 20 20 20
+    50 50 50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 1},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 2},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 2, 'boss': 1},
+    {'battle': 5, 'enemy': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, J1, K1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, K2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, J3, K3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, J4, K4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, J5, K5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, J6, K6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, J7, K7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, J8, K8, \
+    = MAP.flatten()
+
+
+class Config:
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_CHAPTER_SWITCH_20241219 = True
+    MAP_HAS_MODE_SWITCH = True
+    STAGE_ENTRANCE = ['half', '20240725']
+    STAGE_INCREASE_AB = True
+    MAP_CLEAR_PERCENTAGE_SHORT = True
+
+    MAP_SIREN_HAS_BOSS_ICON_SMALL = True
+    MAP_ENSURE_EDGE_INSIGHT_CORNER = 'bottom'
+    INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (120, 255 - 17),
+        'width': (1.5, 10),
+        'prominence': 10,
+        'distance': 35,
+    }
+    EDGE_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (255 - 17, 255),
+        'prominence': 10,
+        'distance': 50,
+        'wlen': 1000
+    }
+    HOMO_EDGE_COLOR_RANGE = (0, 17)
+    HOMO_EDGE_HOUGHLINES_THRESHOLD = 210
+    MAP_HAS_MOVABLE_NORMAL_ENEMY = True
+    MAP_SIREN_MOVE_WAIT = 0.5
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_SWIPE_MULTIPLY = (1.126, 1.147)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.089, 1.109)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.057, 1.076)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_4(self):
+        return self.clear_boss()
diff --git a/campaign/event_20251218_cn/b2.py b/campaign/event_20251218_cn/b2.py
new file mode 100644
index 000000000..e3646b071
--- /dev/null
+++ b/campaign/event_20251218_cn/b2.py
@@ -0,0 +1,80 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+from .b1 import Config as ConfigBase
+
+MAP = CampaignMap('B2')
+MAP.shape = 'K8'
+MAP.camera_data = ['D4', 'D6', 'G4', 'G6']
+MAP.camera_data_spawn_point = ['D4']
+MAP.map_data = """
+    -- -- -- -- -- -- -- -- -- ++ --
+    -- ++ ++ ++ -- -- -- ++ -- -- ++
+    -- ++ ++ ++ -- ME -- ME ME -- --
+    -- ++ ++ ++ -- ++ ME -- -- ME --
+    -- SP -- SP -- -- -- -- ++ ++ ++
+    -- -- __ -- -- Me -- -- -- ME --
+    Me -- MS -- Me ++ ++ ME ME -- ++
+    -- MS MB MS -- ++ ++ -- -- ++ --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 20 50 50 50 50 50 50
+    10 10 10 10 10 20 50 50 50 50 50
+    20 10 10 10 20 20 50 50 50 50 50
+    20 20 20 20 20 50 50 50 50 50 50
+    20 20 20 20 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 1},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 2},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 2},
+    {'battle': 5, 'enemy': 1, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, J1, K1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, K2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, J3, K3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, J4, K4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, J5, K5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, J6, K6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, J7, K7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, J8, K8, \
+    = MAP.flatten()
+
+
+class Config(ConfigBase):
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_SWIPE_MULTIPLY = (1.119, 1.140)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.082, 1.102)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.050, 1.069)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_5(self):
+        return self.fleet_boss.clear_boss()
diff --git a/campaign/event_20251218_cn/b3.py b/campaign/event_20251218_cn/b3.py
new file mode 100644
index 000000000..f51098400
--- /dev/null
+++ b/campaign/event_20251218_cn/b3.py
@@ -0,0 +1,106 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+from .b1 import Config as ConfigBase
+
+MAP = CampaignMap('B3')
+MAP.shape = 'I10'
+MAP.camera_data = ['D3', 'D7', 'E3', 'E7']
+MAP.camera_data_spawn_point = ['E3', 'D3']
+MAP.map_data = """
+    -- -- -- -- -- -- -- -- --
+    -- ++ ME ++ ++ ++ ME ++ --
+    ++ Me -- ++ ++ ++ -- Me --
+    ME -- -- ++ ++ ++ -- -- ++
+    -- -- -- SP -- SP -- -- --
+    -- ME -- -- __ -- -- ME ++
+    ME ++ ME -- MS -- ME ++ ++
+    -- ++ -- MS -- MS -- ++ ++
+    ++ -- Me -- MB -- Me -- --
+    -- -- -- ++ -- ++ -- -- --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 20 10 10 10 10 10 50 50
+    50 30 20 10 10 10 20 30 50
+    50 50 30 20 25 20 30 50 50
+    50 50 50 25 25 25 50 50 50
+    50 50 50 50 30 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 2},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 2},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 2},
+    {'battle': 5, 'enemy': 1, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, \
+A9, B9, C9, D9, E9, F9, G9, H9, I9, \
+A10, B10, C10, D10, E10, F10, G10, H10, I10, \
+    = MAP.flatten()
+
+
+class Config(ConfigBase):
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_ENEMY_TEMPLATE = []
+    MAP_SWIPE_MULTIPLY = (1.100, 1.121)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.064, 1.084)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.033, 1.052)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_function(self):
+        # soo many enemies coming from 3 sides
+        if self.config.MAP_CLEAR_ALL_THIS_TIME:
+            remain = self.map.select(is_enemy=True)
+            logger.info(f'Enemy remain: {remain}')
+            if remain:
+                if self.fleet_2_protect():
+                    return True
+        if not self.map_is_clear_mode:
+            remain = self.map.select(is_enemy=True)
+            logger.info(f'Enemy remain: {remain}')
+            boss = self.map.select(is_boss=True)
+            logger.info(f'Boss appear: {boss}')
+            if not boss:
+                if self.fleet_2_protect():
+                    return True
+
+        return super().battle_function()
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_5(self):
+        return self.fleet_boss.clear_boss()
diff --git a/campaign/event_20251218_cn/c1.py b/campaign/event_20251218_cn/c1.py
new file mode 100644
index 000000000..88a143918
--- /dev/null
+++ b/campaign/event_20251218_cn/c1.py
@@ -0,0 +1,102 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+
+MAP = CampaignMap('C1')
+MAP.shape = 'I8'
+MAP.camera_data = ['D3', 'D6', 'E3', 'E6']
+MAP.camera_data_spawn_point = ['D3']
+MAP.map_data = """
+    -- ++ ++ -- -- -- -- -- --
+    -- SP ++ Me -- Me -- ME --
+    SP -- -- -- -- ++ -- -- ++
+    -- -- MS -- Me ++ ME -- --
+    ++ MS -- -- -- -- -- ME --
+    ++ -- __ ++ -- ME -- ME --
+    MB -- ME -- -- ++ ++ -- ++
+    -- ME -- ME -- ++ ++ -- --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50
+    10 10 50 50 50 50 50 50 50
+    10 10 20 25 50 50 50 50 50
+    10 20 25 50 50 50 50 50 50
+    50 25 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 2},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 2},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 1, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, \
+    = MAP.flatten()
+
+
+class Config:
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_CHAPTER_SWITCH_20241219 = True
+    MAP_HAS_MODE_SWITCH = True
+    STAGE_ENTRANCE = ['half', '20240725']
+    STAGE_INCREASE_AB = True
+
+    MAP_SIREN_HAS_BOSS_ICON_SMALL = True
+    MAP_ENSURE_EDGE_INSIGHT_CORNER = 'bottom'
+    INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (120, 255 - 17),
+        'width': (1.5, 10),
+        'prominence': 10,
+        'distance': 35,
+    }
+    EDGE_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (255 - 17, 255),
+        'prominence': 10,
+        'distance': 50,
+        'wlen': 1000
+    }
+    HOMO_EDGE_COLOR_RANGE = (0, 17)
+    HOMO_EDGE_HOUGHLINES_THRESHOLD = 210
+    MAP_HAS_MOVABLE_NORMAL_ENEMY = True
+    MAP_SIREN_MOVE_WAIT = 0.5
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_SWIPE_MULTIPLY = (1.259, 1.283)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.218, 1.240)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.182, 1.204)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_4(self):
+        return self.clear_boss()
diff --git a/campaign/event_20251218_cn/c2.py b/campaign/event_20251218_cn/c2.py
new file mode 100644
index 000000000..c6e2b1b7a
--- /dev/null
+++ b/campaign/event_20251218_cn/c2.py
@@ -0,0 +1,79 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+from .c1 import Config as ConfigBase
+
+MAP = CampaignMap('C2')
+MAP.shape = 'I8'
+MAP.camera_data = ['D3', 'D6', 'E3', 'E6']
+MAP.camera_data_spawn_point = ['E3', 'D3']
+MAP.map_data = """
+    ++ -- ++ ++ ++ -- -- -- --
+    -- -- SP -- SP -- ++ ++ --
+    -- -- -- -- -- -- Me ++ --
+    -- ++ -- __ -- -- -- Me --
+    -- ++ MS -- MS -- ME -- --
+    -- -- -- MB -- -- -- ME --
+    -- ME ++ ++ ++ ME -- ME --
+    ME -- -- ++ -- -- ME ++ --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50
+    20 10 10 10 10 10 50 50 50
+    50 10 10 10 10 10 20 50 50
+    50 50 10 10 10 20 50 50 50
+    50 50 20 20 20 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 2},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 2},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 1, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, \
+    = MAP.flatten()
+
+
+class Config(ConfigBase):
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_SWIPE_MULTIPLY = (1.234, 1.257)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.193, 1.215)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.158, 1.179)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_4(self):
+        return self.clear_boss()
diff --git a/campaign/event_20251218_cn/c3.py b/campaign/event_20251218_cn/c3.py
new file mode 100644
index 000000000..c065e7b00
--- /dev/null
+++ b/campaign/event_20251218_cn/c3.py
@@ -0,0 +1,83 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+from .c1 import Config as ConfigBase
+
+MAP = CampaignMap('C3')
+MAP.shape = 'I9'
+MAP.camera_data = ['D5', 'D7', 'F5', 'F7']
+MAP.camera_data_spawn_point = ['F5', 'D5']
+MAP.map_data = """
+    -- -- -- -- -- -- -- -- --
+    -- -- -- ++ ++ ++ -- -- --
+    ++ -- -- ++ ++ ++ -- -- --
+    -- ME -- ++ ++ ++ -- ME ++
+    ME -- -- SP -- SP -- -- ME
+    -- Me -- -- __ -- -- -- ME
+    -- ++ Me -- MB -- Me ++ ++
+    -- ++ -- MS -- MS -- ++ ++
+    -- -- ME -- ++ -- ME -- --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 25 50 50 50 25 50 50
+    50 25 10 10 10 10 10 25 50
+    50 50 20 10 10 10 20 50 50
+    50 50 25 20 20 20 25 50 50
+    50 50 50 25 25 25 50 50 50
+    50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 2},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 2},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 1},
+    {'battle': 5, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, \
+A9, B9, C9, D9, E9, F9, G9, H9, I9, \
+    = MAP.flatten()
+
+
+class Config(ConfigBase):
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_SWIPE_MULTIPLY = (1.084, 1.104)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.048, 1.067)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.017, 1.036)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_5(self):
+        return self.fleet_boss.clear_boss()
diff --git a/campaign/event_20251218_cn/d1.py b/campaign/event_20251218_cn/d1.py
new file mode 100644
index 000000000..d4c34a324
--- /dev/null
+++ b/campaign/event_20251218_cn/d1.py
@@ -0,0 +1,104 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+
+MAP = CampaignMap('D1')
+MAP.shape = 'K8'
+MAP.camera_data = ['E3', 'E6', 'H3', 'H6']
+MAP.camera_data_spawn_point = ['H6']
+MAP.map_data = """
+    -- ++ -- -- -- -- -- -- -- -- --
+    ++ -- ME -- ME -- -- ++ ++ ++ --
+    -- ME -- -- ++ ME -- ++ ++ ++ --
+    -- -- ++ -- ME -- -- ++ ++ ++ --
+    -- -- -- -- -- -- -- SP -- SP --
+    -- ME -- ++ -- Me -- -- __ -- --
+    ++ -- ME -- ME ++ Me -- MS -- Me
+    -- ++ -- -- -- ++ -- MS MB MS --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 20 20 50 50 50 50
+    50 50 50 50 50 20 10 10 10 10 10
+    50 50 50 50 50 20 10 10 10 10 10
+    50 50 50 50 50 50 20 20 20 20 20
+    50 50 50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 2},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 2},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 2},
+    {'battle': 5, 'enemy': 1, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, J1, K1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, K2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, J3, K3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, J4, K4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, J5, K5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, J6, K6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, J7, K7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, J8, K8, \
+    = MAP.flatten()
+
+
+class Config:
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_CHAPTER_SWITCH_20241219 = True
+    MAP_HAS_MODE_SWITCH = True
+    STAGE_ENTRANCE = ['half', '20240725']
+    STAGE_INCREASE_AB = True
+    MAP_CLEAR_PERCENTAGE_SHORT = True
+
+    MAP_SIREN_HAS_BOSS_ICON_SMALL = True
+    MAP_ENSURE_EDGE_INSIGHT_CORNER = 'bottom'
+    INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (120, 255 - 17),
+        'width': (1.5, 10),
+        'prominence': 10,
+        'distance': 35,
+    }
+    EDGE_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (255 - 17, 255),
+        'prominence': 10,
+        'distance': 50,
+        'wlen': 1000
+    }
+    HOMO_EDGE_COLOR_RANGE = (0, 17)
+    HOMO_EDGE_HOUGHLINES_THRESHOLD = 210
+    MAP_HAS_MOVABLE_NORMAL_ENEMY = True
+    MAP_SIREN_MOVE_WAIT = 0.5
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_SWIPE_MULTIPLY = (1.126, 1.147)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.089, 1.109)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.057, 1.076)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_5(self):
+        return self.fleet_boss.clear_boss()
diff --git a/campaign/event_20251218_cn/d2.py b/campaign/event_20251218_cn/d2.py
new file mode 100644
index 000000000..88c54cf23
--- /dev/null
+++ b/campaign/event_20251218_cn/d2.py
@@ -0,0 +1,88 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+from .d1 import Config as ConfigBase
+
+MAP = CampaignMap('D2')
+MAP.shape = 'K8'
+MAP.camera_data = ['D4', 'D6', 'G4', 'G6']
+MAP.camera_data_spawn_point = ['D4']
+MAP.map_data = """
+    -- -- -- -- -- -- -- -- -- ++ --
+    -- ++ ++ ++ -- -- -- ++ -- -- ++
+    -- ++ ++ ++ -- ME -- ME ME -- --
+    -- ++ ++ ++ -- ++ ME -- -- ME --
+    -- SP -- SP -- -- -- -- ++ ++ ++
+    -- -- __ -- -- Me -- -- -- ME --
+    Me -- MS -- Me ++ ++ ME ME -- ++
+    -- MS MB MS -- ++ ++ -- -- ++ --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50 50 50
+    50 50 50 50 20 50 50 50 50 50 50
+    10 10 10 10 10 20 50 50 50 50 50
+    20 10 10 10 20 20 50 50 50 50 50
+    20 20 20 20 20 50 50 50 50 50 50
+    20 20 20 20 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 2},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 2, 'siren': 1},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 2},
+    {'battle': 5, 'enemy': 1},
+    {'battle': 6, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, J1, K1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, K2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, J3, K3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, J4, K4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, J5, K5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, J6, K6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, J7, K7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, J8, K8, \
+    = MAP.flatten()
+
+
+class Config(ConfigBase):
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_SWIPE_MULTIPLY = (1.119, 1.140)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.082, 1.102)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.050, 1.069)
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=1):
+            return True
+
+        return self.battle_default()
+
+    def battle_5(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_6(self):
+        return self.fleet_boss.clear_boss()
diff --git a/campaign/event_20251218_cn/d3.py b/campaign/event_20251218_cn/d3.py
new file mode 100644
index 000000000..c3c3b9757
--- /dev/null
+++ b/campaign/event_20251218_cn/d3.py
@@ -0,0 +1,119 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+from .d1 import Config as ConfigBase
+
+MAP = CampaignMap('D3')
+MAP.shape = 'I10'
+MAP.camera_data = ['D3', 'D7', 'E3', 'E7']
+MAP.camera_data_spawn_point = ['E3', 'D3']
+MAP.map_data = """
+    -- -- -- -- -- -- -- -- --
+    -- ++ ME ++ ++ ++ ME ++ --
+    ++ Me -- ++ ++ ++ -- Me --
+    ME -- -- ++ ++ ++ -- -- ++
+    -- -- -- SP -- SP -- -- --
+    -- ME -- -- __ -- -- ME ++
+    ME ++ ME -- MS -- ME ++ ++
+    -- ++ -- MS -- MS -- ++ ++
+    ++ -- Me -- MB -- Me -- --
+    -- -- -- ++ -- ++ -- -- --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 20 10 10 10 10 10 50 50
+    50 30 20 10 10 10 20 30 50
+    50 50 30 20 25 20 30 50 50
+    50 50 50 25 25 25 50 50 50
+    50 50 50 50 30 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 2, 'siren': 2},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 2, 'siren': 1},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 2},
+    {'battle': 5, 'enemy': 1},
+    {'battle': 6, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, \
+A9, B9, C9, D9, E9, F9, G9, H9, I9, \
+A10, B10, C10, D10, E10, F10, G10, H10, I10, \
+    = MAP.flatten()
+
+
+class Config(ConfigBase):
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = []
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = True
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = True
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    # ===== End of generated config =====
+
+    MAP_ENEMY_TEMPLATE = []
+    MAP_SWIPE_MULTIPLY = (1.100, 1.121)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.064, 1.084)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.033, 1.052)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_function(self):
+        # soo many enemies coming from 3 sides
+        if self.config.MAP_CLEAR_ALL_THIS_TIME:
+            remain = self.map.select(is_enemy=True)
+            logger.info(f'Enemy remain: {remain}')
+            if remain:
+                if self.fleet_2_protect():
+                    return True
+                elif self.clear_any_enemy(sort=('weight', 'cost_2', 'cost_1')):
+                    return True
+        if not self.map_is_clear_mode:
+            remain = self.map.select(is_enemy=True)
+            logger.info(f'Enemy remain: {remain}')
+            boss = self.map.select(is_boss=True)
+            logger.info(f'Boss appear: {boss}')
+            if not boss:
+                if self.fleet_2_protect():
+                    return True
+                elif self.clear_any_enemy(sort=('weight', 'cost_2', 'cost_1')):
+                    return True
+
+        return super().battle_function()
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=1):
+            return True
+
+        return self.battle_default()
+
+    def battle_5(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_6(self):
+        return self.fleet_boss.clear_boss()
diff --git a/campaign/event_20251218_cn/sp.py b/campaign/event_20251218_cn/sp.py
new file mode 100644
index 000000000..46f0839fa
--- /dev/null
+++ b/campaign/event_20251218_cn/sp.py
@@ -0,0 +1,121 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+
+MAP = CampaignMap('SP')
+MAP.shape = 'I10'
+MAP.camera_data = ['E6', 'E8']
+MAP.camera_data_spawn_point = ['E8']
+MAP.map_data = """
+    -- -- -- -- -- -- -- -- --
+    -- ++ -- ++ ++ ++ -- ++ --
+    ++ -- -- ++ ++ ++ -- -- --
+    -- -- -- ++ ++ ++ -- -- ++
+    -- -- ME -- MB -- ME -- --
+    -- ME -- MS -- MS -- ME ++
+    -- ++ ME -- MS -- ME ++ ++
+    -- ++ -- -- __ -- -- ++ ++
+    ++ ME -- SP -- SP -- ME --
+    -- -- ME ++ ++ ++ ME -- --
+"""
+MAP.weight_data = """
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+    50 50 50 50 50 50 50 50 50
+"""
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 10, 'siren': 3},
+    {'battle': 1},
+    {'battle': 2},
+    {'battle': 3},
+    {'battle': 4},
+    {'battle': 5},
+    {'battle': 6},
+    {'battle': 7, 'boss': 1},
+]
+A1, B1, C1, D1, E1, F1, G1, H1, I1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, \
+A9, B9, C9, D9, E9, F9, G9, H9, I9, \
+A10, B10, C10, D10, E10, F10, G10, H10, I10, \
+    = MAP.flatten()
+
+
+class Config:
+    # ===== Start of generated config =====
+    MAP_SIREN_TEMPLATE = ['RoyalOak', 'Victorious']
+    MOVABLE_ENEMY_TURN = (2,)
+    MAP_HAS_SIREN = True
+    MAP_HAS_MOVABLE_ENEMY = False
+    MAP_HAS_MAP_STORY = False
+    MAP_HAS_FLEET_STEP = False
+    MAP_HAS_AMBUSH = False
+    MAP_HAS_MYSTERY = False
+    STAR_REQUIRE_1 = 0
+    STAR_REQUIRE_2 = 0
+    STAR_REQUIRE_3 = 0
+    # ===== End of generated config =====
+
+    MAP_CHAPTER_SWITCH_20241219 = True
+    STAGE_ENTRANCE = ['half', '20240725']
+    MAP_IS_ONE_TIME_STAGE = True
+
+    MAP_ENSURE_EDGE_INSIGHT_CORNER = 'bottom'
+    INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (120, 255 - 17),
+        'width': (1.5, 10),
+        'prominence': 10,
+        'distance': 35,
+    }
+    EDGE_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (255 - 17, 255),
+        'prominence': 10,
+        'distance': 50,
+        'wlen': 1000
+    }
+    HOMO_STORAGE = ((9, 6), [(205.118, 96.796), (1192.803, 96.796), (71.385, 634.321), (1407.083, 634.321)])
+    HOMO_EDGE_COLOR_RANGE = (0, 17)
+    HOMO_EDGE_HOUGHLINES_THRESHOLD = 210
+    MAP_HAS_MOVABLE_NORMAL_ENEMY = True
+    MAP_SIREN_MOVE_WAIT = 0.5
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_SWIPE_MULTIPLY = (1.014, 1.033)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (0.981, 0.999)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (0.952, 0.970)
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    def battle_0(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=2):
+            return True
+
+        return self.battle_default()
+
+    def battle_5(self):
+        if self.clear_siren():
+            return True
+        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+            return True
+
+        return self.battle_default()
+
+    def battle_7(self):
+        return self.fleet_boss.clear_boss()
diff --git a/module/config/argument/args.json b/module/config/argument/args.json
index 6680954b1..0894d2561 100644
--- a/module/config/argument/args.json
+++ b/module/config/argument/args.json
@@ -1925,25 +1925,25 @@
         "type": "select",
         "value": "campaign_main",
         "option": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ],
         "display": "hide",
         "option_cn": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_en": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_jp": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_tw": [
           "event_20251023_cn"
         ],
         "option_bold": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ]
       },
       "Mode": {
@@ -2335,24 +2335,24 @@
         "type": "state",
         "value": "campaign_main",
         "option": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ],
         "option_cn": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_en": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_jp": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_tw": [
           "event_20251023_cn"
         ],
         "option_bold": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ]
       },
       "Mode": {
@@ -2739,24 +2739,24 @@
         "type": "state",
         "value": "campaign_main",
         "option": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ],
         "option_cn": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_en": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_jp": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_tw": [
           "event_20251023_cn"
         ],
         "option_bold": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ]
       },
       "Mode": {
@@ -4509,24 +4509,24 @@
         "type": "state",
         "value": "campaign_main",
         "option": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ],
         "option_cn": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_en": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_jp": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_tw": [
           "event_20251023_cn"
         ],
         "option_bold": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ]
       },
       "Mode": {
@@ -4930,24 +4930,24 @@
         "type": "state",
         "value": "campaign_main",
         "option": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ],
         "option_cn": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_en": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_jp": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_tw": [
           "event_20251023_cn"
         ],
         "option_bold": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ]
       },
       "Mode": {
@@ -5351,24 +5351,24 @@
         "type": "state",
         "value": "campaign_main",
         "option": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ],
         "option_cn": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_en": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_jp": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_tw": [
           "event_20251023_cn"
         ],
         "option_bold": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ]
       },
       "Mode": {
@@ -5772,24 +5772,24 @@
         "type": "state",
         "value": "campaign_main",
         "option": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ],
         "option_cn": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_en": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_jp": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_tw": [
           "event_20251023_cn"
         ],
         "option_bold": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ]
       },
       "Mode": {
@@ -6183,24 +6183,24 @@
         "type": "state",
         "value": "campaign_main",
         "option": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ],
         "option_cn": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_en": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_jp": [
-          "event_20230914_cn"
+          "event_20251218_cn"
         ],
         "option_tw": [
           "event_20251023_cn"
         ],
         "option_bold": [
-          "event_20230914_cn",
-          "event_20251023_cn"
+          "event_20251023_cn",
+          "event_20251218_cn"
         ]
       },
       "Mode": {
diff --git a/module/config/i18n/en-US.json b/module/config/i18n/en-US.json
index e66786dbc..3c14fedd2 100644
--- a/module/config/i18n/en-US.json
+++ b/module/config/i18n/en-US.json
@@ -781,6 +781,7 @@
       "event_20250814_cn": "Secrets of the Abyss",
       "event_20250912_cn": "A Dance for Amahara Above",
       "event_20251023_cn": "Tempesta and Islas de Libertád",
+      "event_20251218_cn": "A Note Through the Firmament",
       "raid_20200624": "Air Raid Drills with Essex Rerun",
       "raid_20210708": "Cross Wave rerun",
       "raid_20220127": "Mystery Investigation",
diff --git a/module/config/i18n/ja-JP.json b/module/config/i18n/ja-JP.json
index ffe5ab229..f970948f1 100644
--- a/module/config/i18n/ja-JP.json
+++ b/module/config/i18n/ja-JP.json
@@ -781,6 +781,7 @@
       "event_20250814_cn": "淵層界の秘密",
       "event_20250912_cn": "アマハラに舞い奉れ",
       "event_20251023_cn": "テンペスタと自由群島",
+      "event_20251218_cn": "天穹に響く音謡",
       "raid_20200624": "特別演習超空強襲波（復刻）",
       "raid_20210708": "交錯する新たな波 (復刻)",
       "raid_20220127": "秘密事件調査",
diff --git a/module/config/i18n/zh-CN.json b/module/config/i18n/zh-CN.json
index 00ead2994..b2783cdfd 100644
--- a/module/config/i18n/zh-CN.json
+++ b/module/config/i18n/zh-CN.json
@@ -781,6 +781,7 @@
       "event_20250814_cn": "奇渊下的秘密",
       "event_20250912_cn": "起舞于天原之上",
       "event_20251023_cn": "飓风与自由群岛",
+      "event_20251218_cn": "响彻于天穹之音",
       "raid_20200624": "复刻特别演习埃塞克斯级",
       "raid_20210708": "复刻穿越彼方的水线",
       "raid_20220127": "演习神秘事件调查",
diff --git a/module/config/i18n/zh-TW.json b/module/config/i18n/zh-TW.json
index b126000a7..dc4543711 100644
--- a/module/config/i18n/zh-TW.json
+++ b/module/config/i18n/zh-TW.json
@@ -781,6 +781,7 @@
       "event_20250814_cn": "奇淵下的秘密",
       "event_20250912_cn": "起舞於天原之上",
       "event_20251023_cn": "颶風與自由群島",
+      "event_20251218_cn": "A Note Through the Firmament",
       "raid_20200624": "特別演習埃塞克斯級(復刻)",
       "raid_20210708": "復刻穿越彼方的水線",
       "raid_20220127": "演習神秘事件調查",