健全！変態生活のススメ

Our protagonist 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.

In order to get up close and personal with perverts, he becomes a lodger of the famous Maczano Family, who live in Vaginville.

The Marzone household consists of a mother and her four daughters, each one of them a hardcore pervert.