Proposed by Nanami on 22 Dec. 2022 at 01:58 PM
This proposal will make the following change(s):
Update the season of the anime Kono Naka ni Hitori, Imouto ga Iru!
Change the season from Unknown to Summer 2012
Based on the following reason: Missing
With the source: https://myanimelist.net/anime/13367/Kono_Naka_ni_Hitori_Imouto_ga_Iru#
