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"!
What are you talking about?
I was j-just checking out the area, and...
¿De qué hablas? Sólo 
revisaba el área, y...
¿De qué hablas? Sólo 
revisaba el área, y...
Do que estão falando? Eu s-só
 estava patrulhando a área e...