Ryuudouji Shimon no Inbou
Japanese title: 龍堂寺士門の淫謀
Type: OVA
Episodes: 2
Source: Visual novel
Genres: Hentai
Studios: Anime Antenna Iinkai
Producers: Mediabank, Gold Bear
Duration: 28 min per ep
Rating: Rx - Hentai

A former science teacher receives a mysterious recruitment document, inviting him to a prestigious school. However, this school is not what it seems...