Teppei just transferred into Kaimei Academy, and he's pressured to join the Sket-dan by his classmate, Bossun. Then, one day, Teppei is attacked by a mysterious masked paint chucker, "Paint Mask"!
You think it's stupid, I bet.
Apuesto que creen que es estúpido.
Seguro que creéis que es una tontería.
Aposto que vocês acham idiota.