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--?!
Hey! Why are you two trying to 
create your own little world?!
Ey, ihr da! Wir sind auch noch da!
¡Oigan! ¡¿Qué hacen 
metiéndose en su mundo?!
¡A ver! ¡¿Qué hacéis metiéndoos 
en vuestro propio mundo?!
C’est ça, le problème !
Voi laggiù! Che credete, di essere
nel vostro piccolo mondo privato?
Ei, vocês aí! Dá para não fingirem
que existem só vocês dois nesse mundo?!