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?
Right now, Katou won't 
listen to any teachers!
¡En el estado en que él se encuentra, 
no escuchará sus palabras!
Neste momento, o Katou não 
vai ouvir professor nenhum!