Akari and Haruka have been bitter rivals since their school days. However, one day Akari realizes that Haruka is actually working at the same company—as her superior. Back in school, Haruka used to torment Akari in various ways, but now the tables have turned. Seizing the chance for revenge, Haruka begins a new series of humiliations against Akari. In response, Akari, leveraging her position as department chief, fights back using the weapons of a woman—leading to an even more intense and dramatic confrontation!