Surprise Me!

Summer 1991

Youjuu Kyoushitsu

6 episodes · OVA Completed Demon Beast Invasion, 妖獣教室

Demons take multiple forms, in this case there's one thats the mightest of all and has to be satisfied with the flesh of woman. He searches for his preys in the form of a woman, so they won't be feared.

(Source: ANN)