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"!
He's gonna sell me off! Overseas!
¡Seré vendida al extranjero!
¡Me venderá al extranjero!
Ele vai me vender! Para o exterior!