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"!
What? That? For Pete's...
¿Qué? ¿Eso...?
¿Qué? ¿Eso...?
O quê? O que ele pensa...