Proposed by Hemorrhagician on 29 Jan. 2023 at 12:04 AM
This proposal will make the following change(s):
Update the volumes of the manga Advance of Z: Flag of Titans
Change the volumes from Unknown to 2
Based on the following reason: Missing
With the source: https://myanimelist.net/manga/30725/Advance_of_Z__Flag_of_Titans