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, like that pond, had now lost my "koi".
Y al igual que el estanque, perdí mi "koi".
Y al igual que el estanque, perdí mi "koi".
Assim como aquele lago,
 não tenho mais namorada.