- Parodies: Original hentai
- Categories: Doujinshi
- Tags: Original Hentai, Ryo Hentai, Doujinshi Hentai, Botugo Hentai, Japanese Hentai, Hentai haven, Manga porn Hentai, Jav hentai, Hentai games, Best hentai manga
- Artists: Ryo hentai
- Groups: Botugo hentai
- Languages: Japanese hentai
Hentai: Onee-chan to Obenkyou siyou。
