diff --git a/campaign/event_20240521_cn/sp.py b/campaign/event_20240521_cn/sp.py
new file mode 100644
index 000000000..0745e1f43
--- /dev/null
+++ b/campaign/event_20240521_cn/sp.py
@@ -0,0 +1,148 @@
+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 = 'E10'
+MAP.camera_data = ['B6', 'B8']
+MAP.camera_data_spawn_point = ['B8']
+MAP.map_data = """
+    -- ++ ++ ++ --
+    -- ++ ++ ++ --
+    -- ++ ++ ++ --
+    ++ -- -- -- ++
+    -- ME -- ME --
+    ME -- MB -- ME
+    -- MS __ MS --
+    ME -- MS -- 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 90 90 90 50
+    50 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': 6, 'siren': 3},
+    {'battle': 1},
+    {'battle': 2},
+    {'battle': 3},
+    {'battle': 4},
+    {'battle': 5},
+    {'battle': 6},
+    {'battle': 7, 'boss': 1},
+]
+A1, B1, C1, D1, E1, \
+A2, B2, C2, D2, E2, \
+A3, B3, C3, D3, E3, \
+A4, B4, C4, D4, E4, \
+A5, B5, C5, D5, E5, \
+A6, B6, C6, D6, E6, \
+A7, B7, C7, D7, E7, \
+A8, B8, C8, D8, E8, \
+A9, B9, C9, D9, E9, \
+A10, B10, C10, D10, E10, \
+    = 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 =====
+
+    INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (80, 255 - 17),
+        'width': (0.9, 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_SWIPE_MULTIPLY = (0.994, 1.012)
+    MAP_SWIPE_MULTIPLY_MINITOUCH = (0.961, 0.979)
+    MAP_SWIPE_MULTIPLY_MAATOUCH = (0.933, 0.950)
+
+    MAP_ENSURE_EDGE_INSIGHT_CORNER = 'bottom'
+    MAP_WALK_USE_CURRENT_FLEET = True
+    HOMO_STORAGE = ((5, 7), [(366.035, 75.623), (928.426, 75.623), (263.382, 719.832), (1024.771, 719.832)])
+    MAP_IS_ONE_TIME_STAGE = True
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+    ENEMY_FILTER = '1L > 1M > 1E > 1C > 2L > 2M > 2E > 2C > 3L > 3M > 3E > 3C'
+
+    is_left = False
+
+    def map_data_init(self, map_):
+        super().map_data_init(map_)
+        B7.is_siren = True
+        C8.is_siren = True
+        D7.is_siren = True
+
+    def battle_0(self):
+        self.is_left = self.fleet_current == B10.location
+        logger.attr('is_left', self.is_left)
+        self.goto(C9)
+        self.clear_chosen_enemy(C8, expected='siren')
+        return True
+
+    def battle_1(self):
+        if self.is_left:
+            self.clear_chosen_enemy(D9, expected='siren')
+            return True
+        else:
+            self.clear_chosen_enemy(B9, expected='siren')
+            return True
+
+    def battle_2(self):
+        if self.is_left:
+            self.clear_chosen_enemy(B9, expected='siren')
+            return True
+        else:
+            self.clear_chosen_enemy(D9, expected='siren')
+            return True
+
+    def battle_3(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()