Shion, a female college student, was working at a local convenience store and was living a happy life with her boyfriend who also worked there. However, the store manager was arrogant and always treated his part-timers harshly. The man had his eye on Shion's busty body... "Even if you're a part-timer, if you make a mistake, you'll have to take responsibility," the store manager said, accusing Shion of making a mistake in ordering a product and approaching her. She couldn't resist and he took her body. Shion, a busty part-timer, became addicted to the endless sex of the middle-aged store manager whom she hated...