When a bullying teacher from Katou Kiri's past comes to Kaimei Academy, he harasses the Sket-dan. But will the bully's actions push Student Council member/trained ninja Katou over the edge?
There was this one kid in 
my class who got bullied.
En mi clase había una sola 
persona a la que maltrataban.
Tinha um garoto da minha
 sala que era assediado.