Proposal : Update Anime Rifle Is Beautiful: Zengoku Daikai Is Mokuzen studios

Proposal details

This proposal will make the following change(s):

Update the studios of the anime Rifle Is Beautiful: Zenkoku Taikai Is Mokuzen

Change the studios from :
Unknown
to
Studio 3Hz

Based on the following reason: Missing

With the source: https://myanimelist.net/anime/40769/Rifle_Is_Beautiful__Zenkoku_Taikai_Is_Mokuzen