It's been three months since Haru's dream to live under the same roof with all three of his brothers came true. However, the situation at the Kaidou household suddenly becomes stormy when Haruko announces she's taking Ren back to Switzerland with her. Even after Ren hears about Haruko's secret loneliness from Miki, he still wishes to stay in Japan as long as Haru wants him. But unable to express his desire in words, Ren continues to remain "just a brother" to Haru...
What? But anyone could 
tell that by looking at you.
Pero cualquiera lo sabría mirándote.
Pero cualquiera lo sabría mirándote.
En même temps, 
il suffit de nous voir pour le savoir.
Eh? Ma è una cosa che chiunque capirebbe,
ti si legge in faccia.
O quê? Mas qualquer um percebe 
 só de olhar para você.