Proposed by BloodySnow on 16 May. 2023 at 09:31 PM
This proposal will make the following change(s):
Update the volumes of the manga Kyousei Hatsujou! Imouto no Kaihatsu Shita Himitsu Dougu de Osananajimi, Sensei, Idol wo......
Change the volumes from Unknown to 1
Based on the following reason: Missing