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...
Even animals as small as him 
can tell you what they want.
Selbst kleine Lebewesen wie er
wissen, was sie wollen.
Incluso los animales tan pequeños
pueden decir lo que quieren.
Incluso animales tan pequeños
saben decir lo que quieren.
Même un petit animal comme lui 
a le droit de faire ses propres choix.
Anche gli animali piccoli come lui
sanno dire chiaramente ciò che vogliono.
Mesmo animais pequenos como 
 ele sabem dizer o que querem.