Bush

https://www.mangago.me/read-manga/cash_or_credit/

Thanks, i'm already reading that and the authors other works, it's the first I would think of too (▰˘◡˘▰)

Because they're attracted to children

Either they're lazy drawing it or reference their sex scenes from porn and not from experience or smth, anyways I think this one has a bush I remember the bottom having a heart shaped bush in the later ch.

https://www.mangago.me/read-manga/bdsm_basics_guide/