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"...
He says he doesn't remember anything.
Er sagt, dass er sich
an nichts erinnert.
Dice que no recuerda nada.
Dice que no recuerda nada.
Il semblerait
qu’il ne se rappelle rien.
A quanto pare non ricorda nulla.
Ele diz que não se lembra de nada.