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?
You said she was at fault, 
didn't you?! Take it back!
¡Te dije que tú eres quien 
actuó mal! ¡Retira lo dicho!
Você disse que a culpa era
 dela, não? Volte atrás!