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"!
Did ya see any evil lookin' 
dude that seemed outta place?!
¡Les estoy preguntando si han visto a una 
persona sospechosa con una mirada maligna!
¡Os estoy preguntando si habéis visto a alguna 
persona sospechosa con una mirada maligna!
Vocês viram algum cara mal-encarado
 que parecia fora de lugar?!