Proposal : Update Anime Tai-Ari deshita.: Ojou-sama wa Kakutou Game nante Shinai studios

Proposal details

This proposal will make the following change(s):

Update the studios of the anime Tai-Ari deshita.: Ojou-sama wa Kakutou Game nante Shinai

Change the studios from :
Unknown
to
Diomedéa

Based on the following reason: Missing

With the source: https://myanimelist.net/anime/46488/Tai-Ari_deshita_Ojousama_wa_Kakutou_Game_nante_Shinai