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! Why're you throwing those 
lines out while you run for it?
¡Hey! ¿Por qué dicen 
esas cosas mientras corren?
¡Oye! ¿Por qué decís 
esas cosas y salís corriendo?
Ei! Por que vocês falaram isso
 enquanto saíram correndo?