diff --git a/game/views.py b/game/views.py
index b13bf5a..86f7b6f 100644
--- a/game/views.py
+++ b/game/views.py
@@ -54,10 +54,15 @@ class GroupDetailView(MemberFilterMixin, GroupMixin, DetailView):
 
         data["musics"] = data["group"].musicvideo_set.filter(owner=self.request.user)
         data["owner_count"] = (
-            data["group"].musicvideo_set.filter(owner=data["group"].owner).count()
+            data["group"]
+            .musicvideo_set.filter(owner=data["group"].owner, blacklisted=False)
+            .count()
         )
         data["members"] = data["group"].members.annotate(
-            count=Count("musicvideo", filter=Q(group=data["group"]))
+            count=Count(
+                "musicvideo",
+                filter=Q(group=data["group"], musicvideo__blacklisted=False),
+            )
         )
 
         return data
@@ -143,6 +148,8 @@ class GameCreateView(LoginRequiredMixin, CreateView):
         pm_list = list(zip(players, musics))
         random.shuffle(pm_list)
         for (player, music), order in zip(pm_list, range(len(pm_list))):
+            music.blacklisted = True
+            music.save()
             models.MusicGameOrder.objects.create(
                 game=form.instance, player=player, music_video=music, order=order
             )