Kurusu Kimihito becomes a"volunteer" in the government homestay program for monster girls.A reptilian lamia named Miia is sent to live with him, and it is Kimihito's job to tend to her every need. While cold-blooded Miia is so sexy she makes Kimihito's blood boil with desire. Even worse, when a centaur and harpy move into Kimihito's house.