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?
Sensei, Katou already apologized.
Sensei, Kato le pidió 
disculpas hace un momento.
Professor, o Katou já pediu desculpas.