Mamono Hunter Youko
English title: Devil Hunter Yohko
Japanese title: 魔物ハンター妖子
Type: OVA
Episodes: 5
Source: Original
Genres: Comedy, Fantasy, Horror, Supernatural
Studios: Madhouse
Producers: TOHO
Duration: 36 min per ep
Rating: R+ - Mild Nudity

Yohko Mono is a regular girl making her way through high school--until she learns that she is the 108th successor to a line of warriors charged with defending the earth against demons. Eventually she must fight her ultimate battle against the demon who started it all.

(Source: ANN)