Hentai is not just 2D girls, this is a whole art. And in this art units understand. The game "Pussy 2" is a hentai puzzle in which you need to move the elements vertically or horizontally to get the finished image. The game has hot levels, as well as a gallery, after completing a level, you can review your victories here. Hentai girls, this is a whole era of art.
https://store.steampowered.com/app/1045340/PUSSY_2/?curator_clanid=33981899