Ijime no Shikaeshi wa Sensei ni Omakaseいじめの仕返しは先生にお任せ; Leave It to a Teacher to Get Back at a Bully; Deixa que a Professora se encarrega de dar o troco no Valentão.

An eye for an eye, a tooth for a tooth, a poisoning death for a poisoning death: this is the belief of Sakura Kayoko. If Kayoko, who has such beliefs, confronts bullying as a school teacher... The bullying will get a fair payback.