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, you heard of this "Sket-dan"?
Oye, ¿has oído del Sket-Dan?
Oye, ¿has oído del Sket-Dan?
Ei, já ouviu falar desse "Sket-dan"?