Nao Fumizuki

He has always had the hots for his big sister.. but unfortunately for him, she only has eyes for HIS big brother.

Tatsuo is a skilled masturbator who suddenly dies from masturbating too much. After he died, his soul was transferred to another world. An isekai goddess grants him a wish, so Tatsuo tells her that he wants a super cock that will make all women sigh with pleasure and make all women unable to live without it. He desires to create a harem with women who are addicted to his super cock.

Hikari Hyakkiya is a catgirl who runs a detective agency in the town of Azamati. She investigates various mysterious incidents connected with immoral yokai.

A highschool P.E. teacher catches the eye of a man with unique tastes. Once he finds a way to control her what will she do to protect her family?