Proposal : Update Anime Kirin Gogo no Koucha x BanG Dream! Collab Animation CM Koukai! studios

Proposal details

This proposal will make the following change(s):

Update the studios of the anime Kirin Gogo no Koucha x BanG Dream! Collab Animation CM Koukai!

Change the studios from :
Unknown
to
Ijigen Tokyo, SANZIGEN

Based on the following reason: Missing