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...
Because you're at his side 
and never leave his territory,
Du bist bei ihm, in seinem Territorium.
Como estás a su lado
y nunca dejas su territorio,
Como estás a su lado
y nunca dejas su territorio,
Tu es à ses côtés 
et tu ne quitteras pas son territoire.
E dato che gli sei sempre vicino
e non abbandoni mai il suo territorio,
Porque você está sempre ao seu 
 lado e nunca sai de seu território,