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"!
But why'd you do everything 
Jougasaki says like that?
¿Pero por qué haces todo 
lo que te dice ese Jougasaki?
¿Pero por qué haces todo 
lo que te dice ese Jougasaki?
Mas por que você faz
 tudo que o Jougasaki diz?