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"!
P-Please help me!
¡P-Por favor ayúdenme!
¡P-Por favor, ayudadme!
M-Me ajudem, por favor!