diff --git a/main.py b/main.py
index 956fd5e..06f4fd6 100644
--- a/main.py
+++ b/main.py
@@ -388,9 +388,8 @@ class Main:
 
             screen.blit (bg_grass, (0, 0))
 
-    @classmethod
+    @staticmethod
     def get_jojoko (
-            cls,
             jojoko_original:    pygame.Surface,
             moon_days_old:      float) \
     -> pygame.Surface:
@@ -399,14 +398,10 @@ class Main:
         jojoko.set_colorkey ((0, 255, 0))
 
         for i in range (200):
-            if 1 <= moon_days_old < 7:
+            if 1 <= moon_days_old < 15:
                 pygame.gfxdraw.bezier (jojoko, ((0, 100 + i), (100, 180 * moon_days_old / 7 - 80 + i), (200, 100 + i)), 3, (0, 255, 0))
-            elif moon_days_old < 14:
-                pygame.gfxdraw.bezier (jojoko, ((0, 100 + i), (100, 180 * moon_days_old / 7 - 80 + i), (200, 100 + i)), 3, (0, 255, 0))
-            elif moon_days_old < 15:
+            elif moon_days_old < 16:
                 pass
-            elif moon_days_old < 22:
-                pygame.gfxdraw.bezier (jojoko, ((0, 100 - i), (100, 180 * (moon_days_old - 15) / 7 - 80 - i), (200, 100 - i)), 3, (0, 255, 0))
             elif moon_days_old < 30:
                 pygame.gfxdraw.bezier (jojoko, ((0, 100 - i), (100, 180 * (moon_days_old - 15) / 7 - 80 - i), (200, 100 - i)), 3, (0, 255, 0))
             else: