Rin, the daughter of a wealthy zaibatsu family in a certain prefecture, is a female college student attending a prestigious university. Her private life is extremely affluent, and she has grown up without knowing any filth or hardship. One day, a man named Machida from her father's company's business partner assaults and kidnaps Rin. Machida had been making repeated mistakes in the work he received from Rin's father, and finally, his business partnership was severed. Seeking revenge, he set his sights on Rin. Machida also handed Rin over to the yakuza who were lending him money…
