At a private boys' school that boasts one of the highest enrollment rates in Tokyo, a female pig that accidentally wanders in is taken care of as a "sex pet". With a body that arouses lust and strong obedience, Ikimono was bred by discipline by climax control, group Irama and circle ●. However, there is also a boy who begins to take care of him by giving him the name "Marika", something akin to love. Before long, the class is divided into two groups: those who keep Marika as a normal pet and those who keep Marika as a sexually processed pet. A total of 4 adult documentaries that follow the practical education of a certain boy's school.
