Inyouchuu The Animation
Japanese title: 淫妖蟲～凌触学園退魔録～
Type: OVA
Episodes: 2
Source: Visual novel
Genres: Supernatural, Hentai
Studios: Suzuki Mirano
Producers: Anime Antenna Iinkai
Duration: 29 min per ep
Rating: Rx - Hentai

Three students are in a school late at night fighting supernatural enemies. As they are about to leave, they get attacked and trapped. Based off the Inyouchuu game.