Proposed by Hemorrhagician on 24 Jan. 2023 at 10:48 PM
This proposal will make the following change(s):
Update the source of the anime Girls & Panzer: Saishuushou Part 1
Change the source from Unknown to Original
Based on the following reason: Missing
With the source: https://myanimelist.net/anime/33970/Girls___Panzer__Saishuushou_Part_1