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"!
W-What is this?
¿Q-Qué es esto?
¿Q-Qué es esto?
O-O que é isso?