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"!
Keep that in mind, transfer student!
Es mejor que no lo olvides, 
estudiante transferido.
Es mejor que no lo olvides, 
chico nuevo.
Não se esqueça, aluno novo!