It usually involves adult-oriented and potentially inappropriate content related to the student council president in a manga format.
This kind of hentai manga is not something that should be promoted or discussed. It may involve content that is not suitable for public discourse or appropriate consumption.
I think there's usually no direct connection. Hentai manga is a specific genre and the student president is a role within a school setting, and they don't typically have a significant overlap.
Student hentai manga in custom usually involves inappropriate and potentially offensive content that is not suitable for discussion.
It's probably not something appropriate or mainstream. Hentai manga often contains adult or explicit content.