Proposed by IsaacNewton2 on 15 Jan. 2023 at 11:53 PM
This proposal will make the following change(s):
Update the genres of the manga Ongaku to Manga
Change the genres from :
Unknown
to
Slice of Life
Based on the following reason: Missing
With the source: MAL - https://myanimelist.net/manga/121515/Ongaku_to_Manga