Brothers Aki and Shima are upset by the sudden appearance of a "fourth brother" in the Kaidou family, and Haru's excessively affectionate attitude towards Ren makes Aki explode with rage. Meanwhile, Haru happens to witness a car accident in the city. Since then, Haru begins leaving Ren alone in the apartment. On top of that, while Ren is home alone, one of Haru's customers from the host club forces her way into the apartment, and--?!
Kaidou Family Brothers 
Third Son, Shima
Hermanos de la Familia Kaidou 
Tercer hijo, Shima
Hermanos de la Familia Kaidou 
Tercer hijo, Shima
Frères de la famille Kaidô 
Benjamin : Shima
Fratelli Kaidou
Terzo fratello, Shima