diff --git a/campaign/Readme.md b/campaign/Readme.md
index a3701d128..2c9330b53 100644
--- a/campaign/Readme.md
+++ b/campaign/Readme.md
@@ -281,3 +281,4 @@ To add a new event, add a new row in here, and run `python -m module.config.conf
 | 20260129   | coalition 20260122       | Light & Shadow Fashion Shoot!                | -                          | -                                                  | -                                    | 光影風尚-拍攝進行時        |
 | 20260205   | raid 20240328            | From Zero to Hero                            | 复刻从零开始的魔王讨伐之旅 | From Zero to Hero Rerun                            | ゼロから頑張る魔王討伐（復刻）       | -                          |
 | 20260212   | raid 20260212            | Spring Auction Adventure                     | 春宴怀玉香满庭             | Spring Auction Adventure                           | 新春玉逸品会                         | 春宴懷玉香滿庭             |
+| 20260226   | event 20260226 cn        | Springtide Inn Online                        | 春满客栈Online             | Springtide Inn Online                              | 春色旅籠Online                       | -                          |
diff --git a/campaign/event_20260226_cn/a1.py b/campaign/event_20260226_cn/a1.py
new file mode 100644
index 000000000..1f30ab703
--- /dev/null
+++ b/campaign/event_20260226_cn/a1.py
@@ -0,0 +1,84 @@
+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 = ['E2', 'E6']
+MAP.camera_data_spawn_point = ['E2']
+MAP.map_data = """
+    -- -- ME -- ME -- -- -- --
+    -- ++ -- -- -- ME ++ ++ --
+    -- ++ -- SP -- -- Me ++ --
+    -- ME -- -- SP -- -- ME --
+    ++ -- Me -- -- -- Me -- --
+    -- ME ++ MS -- MS ++ ++ ++
+    -- -- ME -- __ -- ME ++ --
+    -- -- -- -- MB -- -- -- --
+"""
+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
+"""
+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
+    STAGE_ENTRANCE = ['half', '20240725']
+    MAP_HAS_MODE_SWITCH = True
+    STAGE_INCREASE_AB = True
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_SIREN_HAS_BOSS_ICON_SMALL = True
+    MAP_SWIPE_MULTIPLY = (1.179, 1.201)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.140, 1.161)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.107, 1.127)
+
+
+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_20260226_cn/a2.py b/campaign/event_20260226_cn/a2.py
new file mode 100644
index 000000000..b69f02818
--- /dev/null
+++ b/campaign/event_20260226_cn/a2.py
@@ -0,0 +1,74 @@
+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 = 'J7'
+MAP.camera_data = ['D2', 'D5', 'E4']
+MAP.camera_data_spawn_point = ['D5']
+MAP.map_data = """
+    -- ME -- -- ME ++ ++ -- -- --
+    MB -- ME -- -- -- ++ ME ME ++
+    ++ -- ++ ++ Me -- Me -- -- ++
+    -- -- ++ ++ -- __ -- -- ME --
+    -- MS -- -- MS -- -- ME ++ --
+    ME -- -- -- -- -- ME -- -- --
+    ++ -- SP SP -- ++ ++ ++ -- --
+"""
+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
+"""
+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, J1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, J3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, J4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, J5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, J6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, J7, \
+    = 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_ENSURE_EDGE_INSIGHT_CORNER = 'bottom-left'
+
+
+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_20260226_cn/a3.py b/campaign/event_20260226_cn/a3.py
new file mode 100644
index 000000000..677b7771f
--- /dev/null
+++ b/campaign/event_20260226_cn/a3.py
@@ -0,0 +1,75 @@
+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 = 'H8'
+MAP.camera_data = ['D4', 'D6', 'E3']
+MAP.camera_data_spawn_point = ['D4']
+MAP.map_data = """
+    ++ ++ -- -- ME -- -- ME
+    ++ ++ MS -- -- -- ME --
+    SP -- -- MS -- ++ -- --
+    SP -- -- MS -- ++ ME --
+    ++ Me __ -- -- -- -- --
+    ++ ME -- Me ++ ++ ++ --
+    -- -- -- -- Me -- ME --
+    MB ++ 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
+"""
+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, \
+A2, B2, C2, D2, E2, F2, G2, H2, \
+A3, B3, C3, D3, E3, F3, G3, H3, \
+A4, B4, C4, D4, E4, F4, G4, H4, \
+A5, B5, C5, D5, E5, F5, G5, H5, \
+A6, B6, C6, D6, E6, F6, G6, H6, \
+A7, B7, C7, D7, E7, F7, G7, H7, \
+A8, B8, C8, D8, E8, F8, G8, H8, \
+    = 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 =====
+
+
+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_20260226_cn/b1.py b/campaign/event_20260226_cn/b1.py
new file mode 100644
index 000000000..88095243d
--- /dev/null
+++ b/campaign/event_20260226_cn/b1.py
@@ -0,0 +1,85 @@
+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 = 'I8'
+MAP.camera_data = ['D3', 'D6', 'F3', 'F6']
+MAP.camera_data_spawn_point = ['D6']
+MAP.map_data = """
+    ++ -- -- -- -- -- -- -- --
+    ME -- ME ++ ++ ++ -- -- ++
+    -- ME -- MS -- MS -- ME ++
+    -- ++ MS -- -- -- Me -- ME
+    -- Me -- -- SP -- -- __ Me
+    -- -- -- SP -- -- Me -- --
+    ++ ++ Me -- -- ++ -- MB --
+    ++ ++ -- ME 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
+"""
+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, \
+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
+    STAGE_ENTRANCE = ['half', '20240725']
+    MAP_HAS_MODE_SWITCH = True
+    STAGE_INCREASE_AB = True
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_SIREN_HAS_BOSS_ICON_SMALL = True
+    MAP_SWIPE_MULTIPLY = (1.138, 1.160)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.101, 1.121)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.069, 1.088)
+
+
+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_20260226_cn/b2.py b/campaign/event_20260226_cn/b2.py
new file mode 100644
index 000000000..78bddb7c5
--- /dev/null
+++ b/campaign/event_20260226_cn/b2.py
@@ -0,0 +1,76 @@
+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 = 'J8'
+MAP.camera_data = ['D2', 'D6', 'G2', 'G6']
+MAP.camera_data_spawn_point = ['G2']
+MAP.map_data = """
+    MB ++ ME ME ++ ++ ++ -- -- --
+    -- -- -- -- ++ ME MS -- -- SP
+    -- ME ++ -- Me -- -- MS -- --
+    -- -- Me -- -- __ MS -- -- SP
+    -- ME -- ++ -- -- -- -- -- --
+    -- ++ ME -- Me -- Me ++ ++ ME
+    -- ME -- 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
+"""
+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, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, J3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, J4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, J5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, J6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, J7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, J8, \
+    = 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 =====
+
+
+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_20260226_cn/b3.py b/campaign/event_20260226_cn/b3.py
new file mode 100644
index 000000000..c8032c4ee
--- /dev/null
+++ b/campaign/event_20260226_cn/b3.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 .b1 import Config as ConfigBase
+
+MAP = CampaignMap('B3')
+MAP.shape = 'I10'
+MAP.camera_data = ['D4', 'D6', 'D8', 'F4', 'F6', 'F8']
+MAP.camera_data_spawn_point = ['D2']
+MAP.map_data = """
+    ++ ++ ++ SP -- SP ++ ++ ++
+    -- -- -- -- -- -- -- -- --
+    -- Me ++ -- MS -- ++ Me --
+    -- Me ++ MS -- MS ++ Me --
+    -- -- Me -- __ -- Me -- --
+    ME -- -- -- ++ -- -- -- ME
+    -- ME -- ++ ++ ++ -- ME --
+    ME -- -- ME -- ME -- -- ME
+    ++ ++ -- -- MB -- -- ++ ++
+    ++ ++ -- 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': 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 =====
+
+
+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_20260226_cn/c1.py b/campaign/event_20260226_cn/c1.py
new file mode 100644
index 000000000..485086cd3
--- /dev/null
+++ b/campaign/event_20260226_cn/c1.py
@@ -0,0 +1,84 @@
+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 = ['E2', 'E6']
+MAP.camera_data_spawn_point = ['E2']
+MAP.map_data = """
+    -- -- ME -- ME -- -- -- --
+    -- ++ -- -- -- ME ++ ++ --
+    -- ++ -- SP -- -- Me ++ --
+    -- ME -- -- SP -- -- ME --
+    ++ -- Me -- -- -- Me -- --
+    -- ME ++ MS -- MS ++ ++ ++
+    -- -- ME -- __ -- ME ++ --
+    -- -- -- -- MB -- -- -- --
+"""
+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
+"""
+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
+    STAGE_ENTRANCE = ['half', '20240725']
+    MAP_HAS_MODE_SWITCH = True
+    STAGE_INCREASE_AB = True
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_SIREN_HAS_BOSS_ICON_SMALL = True
+    MAP_SWIPE_MULTIPLY = (1.179, 1.201)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.140, 1.161)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.107, 1.127)
+
+
+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_20260226_cn/c2.py b/campaign/event_20260226_cn/c2.py
new file mode 100644
index 000000000..7879eb122
--- /dev/null
+++ b/campaign/event_20260226_cn/c2.py
@@ -0,0 +1,74 @@
+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 = 'J7'
+MAP.camera_data = ['D2', 'D5', 'E4']
+MAP.camera_data_spawn_point = ['D5']
+MAP.map_data = """
+    -- ME -- -- ME ++ ++ -- -- --
+    MB -- ME -- -- -- ++ ME ME ++
+    ++ -- ++ ++ Me -- Me -- -- ++
+    -- -- ++ ++ -- __ -- -- ME --
+    -- MS -- -- MS -- -- ME ++ --
+    ME -- -- -- -- -- ME -- -- --
+    ++ -- SP SP -- ++ ++ ++ -- --
+"""
+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
+"""
+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, J1, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, J3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, J4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, J5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, J6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, J7, \
+    = 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_ENSURE_EDGE_INSIGHT_CORNER = 'bottom-left'
+
+
+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_20260226_cn/c3.py b/campaign/event_20260226_cn/c3.py
new file mode 100644
index 000000000..ffba35361
--- /dev/null
+++ b/campaign/event_20260226_cn/c3.py
@@ -0,0 +1,76 @@
+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 = 'H8'
+MAP.camera_data = ['D4', 'D6', 'E3']
+MAP.camera_data_spawn_point = ['D4']
+MAP.map_data = """
+    ++ ++ -- -- ME -- -- ME
+    ++ ++ MS -- -- -- ME --
+    SP -- -- MS -- ++ -- --
+    SP -- -- MS -- ++ ME --
+    ++ Me __ -- -- -- -- --
+    ++ ME -- Me ++ ++ ++ --
+    -- -- -- -- Me -- ME --
+    MB ++ 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
+"""
+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, \
+A2, B2, C2, D2, E2, F2, G2, H2, \
+A3, B3, C3, D3, E3, F3, G3, H3, \
+A4, B4, C4, D4, E4, F4, G4, H4, \
+A5, B5, C5, D5, E5, F5, G5, H5, \
+A6, B6, C6, D6, E6, F6, G6, H6, \
+A7, B7, C7, D7, E7, F7, G7, H7, \
+A8, B8, C8, D8, E8, F8, G8, H8, \
+    = 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 =====
+
+
+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_20260226_cn/d1.py b/campaign/event_20260226_cn/d1.py
new file mode 100644
index 000000000..14139ff3a
--- /dev/null
+++ b/campaign/event_20260226_cn/d1.py
@@ -0,0 +1,85 @@
+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 = 'I8'
+MAP.camera_data = ['D3', 'D6', 'F3', 'F6']
+MAP.camera_data_spawn_point = ['D6']
+MAP.map_data = """
+    ++ -- -- -- -- -- -- -- --
+    ME -- ME ++ ++ ++ -- -- ++
+    -- ME -- MS -- MS -- ME ++
+    -- ++ MS -- -- -- Me -- ME
+    -- Me -- -- SP -- -- __ Me
+    -- -- -- SP -- -- Me -- --
+    ++ ++ Me -- -- ++ -- MB --
+    ++ ++ -- ME 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
+"""
+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, \
+    = 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
+    STAGE_ENTRANCE = ['half', '20240725']
+    MAP_HAS_MODE_SWITCH = True
+    STAGE_INCREASE_AB = True
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_SIREN_HAS_BOSS_ICON_SMALL = True
+    MAP_SWIPE_MULTIPLY = (1.138, 1.160)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.101, 1.121)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.069, 1.088)
+
+
+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_20260226_cn/d2.py b/campaign/event_20260226_cn/d2.py
new file mode 100644
index 000000000..c009cb3b7
--- /dev/null
+++ b/campaign/event_20260226_cn/d2.py
@@ -0,0 +1,85 @@
+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 = 'J8'
+MAP.camera_data = ['D2', 'D6', 'G2', 'G6']
+MAP.camera_data_spawn_point = ['G2']
+MAP.map_data = """
+    MB ++ ME ME ++ ++ ++ -- -- --
+    -- -- -- -- ++ ME MS -- -- SP
+    -- ME ++ -- Me -- -- MS -- --
+    -- -- Me -- -- __ MS -- -- SP
+    -- ME -- ++ -- -- -- -- -- --
+    -- ++ ME -- Me -- Me ++ ++ ME
+    -- ME -- 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
+"""
+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, \
+A2, B2, C2, D2, E2, F2, G2, H2, I2, J2, \
+A3, B3, C3, D3, E3, F3, G3, H3, I3, J3, \
+A4, B4, C4, D4, E4, F4, G4, H4, I4, J4, \
+A5, B5, C5, D5, E5, F5, G5, H5, I5, J5, \
+A6, B6, C6, D6, E6, F6, G6, H6, I6, J6, \
+A7, B7, C7, D7, E7, F7, G7, H7, I7, J7, \
+A8, B8, C8, D8, E8, F8, G8, H8, I8, J8, \
+    = 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 =====
+
+
+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_20260226_cn/d3.py b/campaign/event_20260226_cn/d3.py
new file mode 100644
index 000000000..cc783a8b7
--- /dev/null
+++ b/campaign/event_20260226_cn/d3.py
@@ -0,0 +1,91 @@
+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 = ['D4', 'D6', 'D8', 'F4', 'F6', 'F8']
+MAP.camera_data_spawn_point = ['D2']
+MAP.map_data = """
+    ++ ++ ++ SP -- SP ++ ++ ++
+    -- -- -- -- -- -- -- -- --
+    -- Me ++ -- MS -- ++ Me --
+    -- Me ++ MS -- MS ++ Me --
+    -- -- Me -- __ -- Me -- --
+    ME -- -- -- ++ -- -- -- ME
+    -- ME -- ++ ++ ++ -- ME --
+    ME -- -- ME -- ME -- -- ME
+    ++ ++ -- -- MB -- -- ++ ++
+    ++ ++ -- 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': 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 =====
+
+
+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_20260226_cn/sp.py b/campaign/event_20260226_cn/sp.py
new file mode 100644
index 000000000..0352d024f
--- /dev/null
+++ b/campaign/event_20260226_cn/sp.py
@@ -0,0 +1,96 @@
+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 = 'H7'
+MAP.camera_data = ['D5', 'E2', 'E5']
+MAP.camera_data_spawn_point = ['D2']
+MAP.map_data = """
+    -- -- -- -- ++ -- ME --
+    -- SP SP -- ++ ME -- ME
+    -- -- -- -- MS -- ME --
+    ++ ++ ++ MS __ -- ++ ++
+    -- ME -- -- -- MS -- ++
+    ME -- ME -- ++ -- MB --
+    -- 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
+"""
+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, \
+A2, B2, C2, D2, E2, F2, G2, H2, \
+A3, B3, C3, D3, E3, F3, G3, H3, \
+A4, B4, C4, D4, E4, F4, G4, H4, \
+A5, B5, C5, D5, E5, F5, G5, H5, \
+A6, B6, C6, D6, E6, F6, G6, H6, \
+A7, B7, C7, D7, E7, F7, G7, H7, \
+    = 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
+    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_HAS_MODE_SWITCH = False
+    STAGE_INCREASE_AB = True
+    MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_IS_ONE_TIME_STAGE = True
+    MAP_SIREN_HAS_BOSS_ICON_SMALL = True
+    MAP_SWIPE_MULTIPLY = (1.162, 1.184)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (1.124, 1.145)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (1.091, 1.111)
+
+
+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/campaign/campaign_ocr.py b/module/campaign/campaign_ocr.py
index 9dc04193e..f39a29ae8 100644
--- a/module/campaign/campaign_ocr.py
+++ b/module/campaign/campaign_ocr.py
@@ -41,11 +41,21 @@ class CampaignOcr(ModuleBase):
     @staticmethod
     def _campaign_ocr_result_process(result):
         # The result will be like '7--2', because tha dash in game is '–' not '-'
-        result = result.lower().replace('--', '-').replace('--', '-')
-        if result.startswith('-'):
-            result = result[1:]
+        result = result.replace('--', '-').replace('--', '-').lstrip('-')
+
+        # Replace wrong 'I' from results like 'I1-1', '1I-1', 'I-I', '11-I', 'I4-4', to '1'
+        # while keeping results like 'isp-2', 'sp1'
+        def replace_func(match):
+            segment = match.group(0)
+            return segment.replace('I', '1')
+
+        result = re.sub(r'[0-9I]+-[0-9I]+', replace_func, result, count=1)
+
+        # Convert '72' to '7-2'
         if len(result) == 2 and result[0].isdigit():
             result = '-'.join(result)
+
+        result = result.lower()
         return result
 
     @staticmethod
diff --git a/module/config/argument/args.json b/module/config/argument/args.json
index d54d06da8..fe703db49 100644
--- a/module/config/argument/args.json
+++ b/module/config/argument/args.json
@@ -1636,24 +1636,24 @@
         "value": "campaign_main",
         "option": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "display": "hide",
         "option_cn": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_en": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_jp": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_tw": [
           "event_20220526_cn"
         ],
         "option_bold": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ]
       },
       "Mode": {
@@ -1917,23 +1917,23 @@
         "value": "campaign_main",
         "option": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_cn": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_en": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_jp": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_tw": [
           "event_20220526_cn"
         ],
         "option_bold": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ]
       },
       "Mode": {
@@ -2312,23 +2312,23 @@
         "value": "campaign_main",
         "option": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_cn": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_en": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_jp": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_tw": [
           "event_20220526_cn"
         ],
         "option_bold": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ]
       },
       "Mode": {
@@ -4035,23 +4035,23 @@
         "value": "campaign_main",
         "option": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_cn": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_en": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_jp": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_tw": [
           "event_20220526_cn"
         ],
         "option_bold": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ]
       },
       "Mode": {
@@ -4447,23 +4447,23 @@
         "value": "campaign_main",
         "option": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_cn": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_en": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_jp": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_tw": [
           "event_20220526_cn"
         ],
         "option_bold": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ]
       },
       "Mode": {
@@ -4859,23 +4859,23 @@
         "value": "campaign_main",
         "option": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_cn": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_en": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_jp": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_tw": [
           "event_20220526_cn"
         ],
         "option_bold": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ]
       },
       "Mode": {
@@ -5271,23 +5271,23 @@
         "value": "campaign_main",
         "option": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_cn": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_en": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_jp": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_tw": [
           "event_20220526_cn"
         ],
         "option_bold": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ]
       },
       "Mode": {
@@ -5673,23 +5673,23 @@
         "value": "campaign_main",
         "option": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_cn": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_en": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_jp": [
-          "event_20231221_cn"
+          "event_20260226_cn"
         ],
         "option_tw": [
           "event_20220526_cn"
         ],
         "option_bold": [
           "event_20220526_cn",
-          "event_20231221_cn"
+          "event_20260226_cn"
         ]
       },
       "Mode": {
diff --git a/module/config/i18n/en-US.json b/module/config/i18n/en-US.json
index 3eb2b2788..153b3f6d9 100644
--- a/module/config/i18n/en-US.json
+++ b/module/config/i18n/en-US.json
@@ -766,6 +766,7 @@
       "event_20250912_cn": "A Dance for Amahara Above",
       "event_20251023_cn": "Tempesta and Islas de Libertád",
       "event_20251218_cn": "A Note Through the Firmament",
+      "event_20260226_cn": "Springtide Inn Online",
       "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 c0c0e82ab..2de0d9a8b 100644
--- a/module/config/i18n/ja-JP.json
+++ b/module/config/i18n/ja-JP.json
@@ -766,6 +766,7 @@
       "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",
+      "event_20260226_cn": "春色旅籠Online",
       "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 fe479362c..5af93089b 100644
--- a/module/config/i18n/zh-CN.json
+++ b/module/config/i18n/zh-CN.json
@@ -766,6 +766,7 @@
       "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",
+      "event_20260226_cn": "春满客栈Online",
       "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 e04b97219..7687ff8aa 100644
--- a/module/config/i18n/zh-TW.json
+++ b/module/config/i18n/zh-TW.json
@@ -766,6 +766,7 @@
       "event_20250912_cn": "起舞於天原之上",
       "event_20251023_cn": "颶風與自由群島",
       "event_20251218_cn": "響徹於天穹之音",
+      "event_20260226_cn": "Springtide Inn Online",
       "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",
diff --git a/module/os/fleet.py b/module/os/fleet.py
index c39c40c3e..6d0f20bf2 100644
--- a/module/os/fleet.py
+++ b/module/os/fleet.py
@@ -20,7 +20,7 @@ from module.os.assets import FLEET_EMP_DEBUFF, MAP_EXIT, MAP_GOTO_GLOBE, STRONGH
 from module.os.camera import OSCamera
 from module.os.map_base import OSCampaignMap
 from module.os_ash.ash import OSAsh
-from module.os_combat.combat import Combat
+from module.os_combat.combat import Combat, BATTLE_PREPARATION, SIREN_PREPARATION
 from module.os_handler.assets import AUTO_SEARCH_REWARD, CLICK_SAFE_AREA, IN_MAP, PORT_ENTER
 from module.os_shop.assets import PORT_SUPPLY_CHECK
 from module.ui.assets import BACK_ARROW
@@ -283,6 +283,13 @@ class OSFleet(OSCamera, Combat, Fleet, OSAsh):
         clicked_story = False
         stuck_timer = Timer(20, count=5).start()
         confirm_timer.reset()
+
+        def abyssal_expected_end():
+            # add handle_map_event() because OSCombat.combat_status() removes get_items
+            if self.handle_map_event(drop=drop):
+                return False
+            return self.is_in_map()
+
         for _ in self.loop(skip_first=skip_first_screenshot):
             # Map event
             event = self.handle_map_event(drop=drop)
@@ -347,7 +354,7 @@ class OSFleet(OSCamera, Combat, Fleet, OSAsh):
             if self.combat_appear():
                 # Use ui_back() for testing, because there are too few abyssal loggers every month.
                 # self.ui_back(check_button=self.is_in_map)
-                self.combat(expected_end=self.is_in_map, fleet_index=self.fleet_show_index, save_get_items=drop)
+                self.combat(expected_end=abyssal_expected_end, fleet_index=self.fleet_show_index, save_get_items=drop)
                 confirm_timer.reset()
                 stuck_timer.reset()
                 result.add('event')
@@ -700,6 +707,7 @@ class OSFleet(OSCamera, Combat, Fleet, OSAsh):
         logger.hr('BOSS leave')
         # Update local view
         self.update_os()
+        self.predict()
 
         click_timer = Timer(3)
         pause_interval = Timer(0.5, count=1)
@@ -713,8 +721,13 @@ class OSFleet(OSCamera, Combat, Fleet, OSAsh):
 
             # Re-enter boss accidentally
             if pause_interval.reached():
-                if self.combat_appear():
-                    logger.info(f'combat_appear -> {BACK_ARROW}')
+                if self.appear(BATTLE_PREPARATION):
+                    logger.info(f'{BATTLE_PREPARATION} -> {BACK_ARROW}')
+                    self.device.click(BACK_ARROW)
+                    pause_interval.reset()
+                    continue
+                if self.appear(SIREN_PREPARATION, offset=(20, 20)):
+                    logger.info(f'{SIREN_PREPARATION} -> {BACK_ARROW}')
                     self.device.click(BACK_ARROW)
                     pause_interval.reset()
                     continue
diff --git a/module/webui/patch.py b/module/webui/patch.py
index 1e4d7407f..6f799d85f 100644
--- a/module/webui/patch.py
+++ b/module/webui/patch.py
@@ -50,20 +50,16 @@ def patch_mimetype():
     all deployment, we use the builtin mimetype table only.
     """
     import mimetypes
-    if mimetypes.inited:
-        # ohno mimetypes already inited
-        db = mimetypes.MimeTypes()
-        mimetypes._db = db
-        # override global variable
-        mimetypes.encodings_map = db.encodings_map
-        mimetypes.suffix_map = db.suffix_map
-        mimetypes.types_map = db.types_map[True]
-        mimetypes.common_types = db.types_map[False]
-    else:
-        # init db with the default table
-        db = mimetypes.MimeTypes()
-        mimetypes._db = db
-        mimetypes.inited = True
+    # lock as inited
+    mimetypes.inited = True
+    # create a new clean instance
+    db = mimetypes.MimeTypes(filenames=())
+    mimetypes._db = db
+    # override global variable
+    mimetypes.encodings_map = db.encodings_map
+    mimetypes.suffix_map = db.suffix_map
+    mimetypes.types_map = db.types_map[True]
+    mimetypes.common_types = db.types_map[False]
 
 
 def fix_py37_subprocess_communicate():