diff --git a/campaign/campaign_main/campaign_10_3.py b/campaign/campaign_main/campaign_10_3.py
new file mode 100644
index 000000000..02b333c90
--- /dev/null
+++ b/campaign/campaign_main/campaign_10_3.py
@@ -0,0 +1,86 @@
+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('10-3')
+MAP.shape = 'I6'
+MAP.map_data = '''
+    ME -- ME -- ME MB ++ -- MM
+    -- ++ ++ ++ ME MB ++ -- --
+    -- ME -- ME ME ME __ ME --
+    -- -- ++ ++ MB ME ME ME ++
+    -- -- SP SP ++ ++ ++ ME MB
+    ++ -- -- -- ME -- ME ME ME
+'''
+MAP.weight_data = '''
+    90 90 90 90 40 10 90 90 90
+    90 90 90 90 30 10 90 90 90
+    90 90 90 90 20 05 20 90 90
+    90 90 90 90 10 15 20 30 90
+    90 90 90 90 90 90 90 40 40
+    90 90 90 90 80 70 60 50 50
+'''
+# MAP.camera_data = ['D3']
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 4},
+    {'battle': 1, 'enemy': 2, 'mystery': 1},
+    {'battle': 2, 'enemy': 1},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 1},
+    {'battle': 5},
+    {'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, \
+    = MAP.flatten()
+
+road_main = RoadGrids([E6, G6, H6, E5, H4, G4, F4, F3])
+
+class Config:
+    INTERNAL_LINES_HOUGHLINES_THRESHOLD = 35
+    EDGE_LINES_HOUGHLINES_THRESHOLD = 35
+    COINCIDENT_POINT_ENCOURAGE_DISTANCE = 1.2
+    INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (150, 255 - 24),
+        'width': (0.9, 10),
+        'prominence': 10,
+        'distance': 35,
+    }
+    EDGE_LINES_FIND_PEAKS_PARAMETERS = {
+        'height': (255 - 24, 255),
+        'prominence': 10,
+        'distance': 50,
+        'width': (0, 10),
+        'wlen': 1000,
+    }
+
+class Campaign(CampaignBase):
+    MAP = MAP
+
+    def battle_0(self):
+        self.fleet_2_push_forward()
+
+        if self.clear_roadblocks([road_main]):
+            return True
+        if self.clear_potential_roadblocks([road_main]):
+            return True
+
+        self.clear_all_mystery()
+
+        return self.battle_default()
+
+    def battle_6(self):
+        boss = self.map.select(is_boss=True)
+        if boss:
+            if not self.check_accessibility(boss[0], fleet=2):
+                if self.clear_roadblocks([road_main]):
+                    return True
+
+        return self.fleet_2.clear_boss()
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