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 wanting to start something in 
high school, I joined Student Council
pero en la preparatoria ingresé al Consejo 
con el propósito de comenzar algo nuevo y
Mas eu queria algo diferente no colegial, 
então entrei no Conselho Estudantil