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 sent the real plan afterwards by mail.
Después envié el verdadero plan por correo.
Después envié el verdadero plan por correo.
Depois eu mandei o plano
 de verdade por mensagem.