Mirei, the daughter of a wealthy family from a certain prefecture, is a female student attending a school for young ladies. Her personal life was extremely wealthy, and she grew up without knowing any filth or hardship. One day, Saji and Hito, the cleaners of the luxury apartment where Mirei lives, attack Mirei and abduct her. The two of them had always harbored a grudge against Mirei, and in an attempt to clear up their grudge against her, they set Mirei under Mirei's poisonous fangs. The two also offer Mirei to the yakuza who owe her money...
