Clock Up - Kenzen! Hentai Seikatsu no Susume

Gotou Hajime, has enrolled in Penile University, majoring in perversion, in order to study and deepen his understanding of the art, and eventually carry out research on the subject.
Due to Hajime’s chosen field of study, he has registered to live with the Maezono family – a family whose mother is the legendary pervert that prevented World War 3 with her sexual diplomacy!