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"!
Hey, don't go spreading lies like that.
Hey, no digas tantas mentiras.
Oye, no digas tantas mentiras.
Ei, não sairia espalhando
 mentiras assim.