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"!
Oh? Looks like the transfer student gets it!
¿Oh? Parece que el estudiante 
transferido ya lo entendió.
¿Oh? Parece que el chico 
nuevo ya lo entendió.
Ah? Parece que o 
aluno novo já entende!