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"...
I'm going back to change.
Ich geh zurück
und ziehe mich um.
Voy a cambiarme.
Voy a cambiarme.
Je rentre me changer.
Vado a casa a cambiarmi.
Vou voltar para me trocar.