Natsu, the daughter of a wealthy family in a certain prefecture, is a female student attending a school for girls. She grew up in a very wealthy private life, knowing neither filth nor hardship. One day, her father's servant, Suzuki, attacks Natsu and pins her down. Suzuki, who had been making mistakes at work repeatedly, was finally fired, and to get revenge, he set his sights on Natsu. Suzuki also offers Natsu to the yakuza who owe him money...