Kenzen! Hentai Seikatsu no Susume + Save (uncen-eng) by CLOCKUP - Adult Sex Game

Gotou Hajime entered Penile University with a degree in perversion in order to study and deepen his understanding of this art and eventually conduct research on this topic.

In connection with Hajime's chosen specialty, he settled in the Maezono family - a family whose mother is a legendary pervert who prevented the third world war with her sexual diplomacy!