Proposed by Mawoin on 10 Feb. 2023 at 10:44 AM
This proposal will make the following change(s):
Update the status of the anime Muumin
Change the status from Unknown to Finished Airing
Based on the following reason: Missing
With the source: https://myanimelist.net/anime/8234/Muumin?q=muumin&cat=anime
