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"...
If you don't want it, give it to the dogs.
Si no lo quieres, dáselo a los perros.
Si no lo quieres, dáselo a los perros.
Si t’en veux pas,
donne-le aux chiens.
Se non ti va, dallo pure ai cani.
Se você não for comer,
ao menos dê para os cachorros.