Proposed by mononoke-san on 15 Mar. 2023 at 01:22 AM
This proposal will make the following change(s):
Update the type of the manga Helter Skelter
Change the type from Unknown to Manga
Based on the following reason: Missing
With the source: https://myanimelist.net/manga/3104/Helter_Skelter?q=helter%20skelter&cat=manga