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?
Tsubaki and... Katou Kiri? 
What, are they arguing?
Esos son... ¿Tsubaki y Kiri Kato?
Tsubaki e... Kiri Katou? 
Será que estão brigando?