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"!
I'm not very good at making friends, see...
Tampoco soy bueno haciendo amigos...
Tampoco soy bueno haciendo amigos...
Não sou muito bom em
 fazer amigos, então...