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"!
After that, I just stood there, looking 
at my reflection in the pond...
Después de eso me quedé aquí, 
viendo mi reflejo en el estanque.
Después de eso me quedé aquí, 
mirando mi reflejo en el estanque.
Depois dessa, fiquei lá 
olhando meu reflexo no lago...