Proposed by starless on 21 May. 2026 at 12:26 AM
This proposal will make the following change(s):
Update the volumes of the manga Hero no Himitsu
Change the volumes from Unknown to 2
Based on the following reason: Missing
With the source: https://myanimelist.net/manga/81449/Hero_no_Himitsu?q=Hero%20no%20Himitsu&cat=manga
