Noboru Amakawa has the mission to sire ten thousand demon girls, as ordered by Kirika. In a village where girls can transform into demons if their breasts grow too large, sexual desire is directly linked to breast size, causing them to lose control.

2012

Seven years after running away from his cruel father and cutting all ties with his family, Kengo receives a desperate plea for help from his ten step-sisters. He decides to return home and help them escape from the clutches of his perverted father. But first, he needs to analyze the situation...with his dick.

2017

So this girl's saving herself for her one true love, but alas, her teacher has other plans...