Proposed by Hemorrhagician on 27 Jan. 2023 at 10:32 PM
This proposal will make the following change(s):
Update the source of the anime Girls & Panzer: Saishuushou Part 4
Change the source from Unknown to Original
Based on the following reason: Missing
With the source: https://myanimelist.net/anime/39167/Girls___Panzer__Saishuushou_Part_4
