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?
Because of you, Unyuu almost got hurt.
Por tu culpa Unyu estuvo 
a punto de ser lastimada.
Por sua culpa quase acertaram a Unyuu.