Proposed by Closed Account on 18 Jan. 2023 at 06:27 PM
This proposal will make the following change(s):
Update the original source of the series Osomatsu-kun
Change the original source from Unknown to Manga
Based on the following reason: Missing
With the source: https://myanimelist.net/anime/9884/Osomatsu-kun?q=Osomatsu-kun&cat=anime
