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?
But Kihara... He was weak, but a nice kid!
¡Pero Kihara!
Mas o Kihara era fraco!
 Ele era um bom garoto!