Having come to Canada upon hearing the fake news that his biological mother Haruko is in critical condition, high school student Kaidou Haru meets a young boy named Ren. "You have a new brother. Take care of him." So instructed by his mother, Haru is forced to spend the summer with Ren. Every day is a battle with Ren, who refuses to listen to anybody. However, as Ren grows to like Haru little by little and Haru comes to adore Ren as well, they make a certain "promise"...
Well, I didn't expect it to work out that well.
Bueno, no esperaba que saliera tan bien.
Bueno, no esperaba que saliera tan bien.
Je savais que
ça serait pas facile.
Beh, non mi aspettavo che funzionasse.
Não esperava mesmo
obter sucesso em tudo de uma vez.