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?
School Council General Affairs 
Manager Katou Kiri...
Yo, Kato Kiri, administrador general,
Chefe de assuntos gerais do
 Conselho, Kiri Katou...