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"!
Crap, they knew!
¡Mierda, se dieron cuenta!
¡Mierda, se dieron cuenta!
Droga, eles sabiam!