- Parodies: Original hentai
- Categories: Doujinshi
- Tags: Original Hentai, Doujinshi Hentai, Yaoi Hentai, Males only Hentai, Multi work series Hentai, Beauty mark Hentai, Translated Hentai, Chinese Hentai, Hentai haven, Hentai comics, Manga porn Hentai, Hentai gif, Best hentai manga
- Languages: Translated hentai, Chinese hentai
Hentai: Sensei no Kenkyuu Vol. 1
