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?
What Katou needs right now is a friend!
¡Lo que Kato necesita en estos 
momentos son compañeros!
O que o Katou precisa 
agora é de um amigo!