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...
Why are you worried? 
What do you want me to do?
Worüber machst du dir Sorgen?
Was soll ich für dich machen?
¿Qué te preocupa?
¿Qué quieres que haga?
¿Qué te preocupa?
¿Qué quieres que haga?
Cos'è che ti preoccupa?
Cosa vuoi che faccia?
Por que está tão preocupado? 
 O que quer que eu faça?