Shinseiki Inma Seiden
English title: Inma Seiden: The Legend of the Beast of Lust
Japanese title: 新世紀 淫魔聖伝
Type: OVA
Episodes: 6
Source: Original
Genres: Supernatural, Hentai
Studios: Arms
Producers: Green Bunny
Duration: 27 min per ep
Rating: Rx - Hentai

As the related Kameyama and Ootori families battle to lead Ootori Academy, sinister goings-on complicate their internal struggle. Terrifying sexual assaults are taking place, with the assailant concealing his identity with a foreboding iron mask. Sena is attacked by tentacles and a demon, and then the masked man appears before Mao, who tries to fight him off. When she fails to succeed, Hitomi Kameyama comes to her rescue, but the horror has just begun.

(Source: NuTech Digital)