“Succubus Setogaya Mari: The Semen-Drinking Vampire”
!["Succubus Setogaya Mari: The Semen-Drinking Vampire" Hanime 1 itadaki seieki](https://hanime.watch/wp-content/uploads/2023/05/cover_itadaki-seieki-extra-480x270.jpg)
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.