Watashi Dekapai ja Naishi Somosomo Succubus ja Nai

Saki Seiryuuin, the head of the disciplinary committee, is cursed by the head of the black magic club to become a succubus. She is forced to absorb his semen to break the curse, but as she does, she becomes more and more addicted to it. She is forced to have sex with him to break the curse. Saki Seiryuuin and the Head of the Black Magic Club are having sex. Saki is riding him and extracting his semen, acting like a succubus.