Succubus Gakuen no Inu!!

A male student named Inubou Ken is transferred to an all-girls school where the students are all succubi. The girls, who are both beautiful and supernatural, look to him to teach them about human males. As they train to refine their abilities, they also seek physical intimacy, with Ken serving as their primary means of release. Ken finds himself in a new and unexpected situation as he navigates life at this unusual school.