Mirei, the daughter of a wealthy zaibatsu family in a certain prefecture, is a female student attending a prestigious girls' school. Her private life is extremely affluent, and she has grown up without knowing any filth or hardship. One day, Saji and Kato, the janitors of the high-end apartment where she lives, attack and abduct Mirei. The two, who have been harboring resentment towards Mirei all along, have set their sights on her to vent their grudge. They also hand Mirei over to the yakuza who they owe money to…
