Proposed by Hemorrhagician on 25 Jan. 2023 at 10:51 PM
This proposal will make the following change(s):
Update the volumes of the manga Girls & Panzer: Ribbon no Musha
Change the volumes from Unknown to 16
Based on the following reason: Missing
With the source: https://myanimelist.net/manga/80281/Girls___Panzer__Ribbon_no_Musha
