Manabu Tadokoro, a strict assistant manager at a department store, is framed for sexual harassment by a disgruntled employee and subsequently fired. Upon discovering that the conspiracy was orchestrated by his prideful ex-lover, Maya, and other resentful female staff, Manabu decides to exact his own brand of "educational guidance." He begins a ruthless campaign of revenge, targeting those who plotted his downfall with humiliating and forceful punishments.