Episodes: 1 + Bonus
Animation Studio: Pink Pineapple
Genre: Big Tits, School, Comedy
Audio / Subtitle: Japanese / English
Based on the erotic manga by Doumou.
Succubus Setogaya Mari is a part-vampire who takes her nourishment not from blood but from drinking semen. As she performs oral sex for energy, various things can happen; for example, her breasts might simply grow during the act.