Arina, a female college student, was working part-time at the same convenience store as her boyfriend.One day, she was forced to have a relationship with her by being told by an old man who was a fool of her part-time job, "My boyfriend is stealing merchandise from the store. If I don't want to disperse this ...".Every time she goes to night shift with Ojisan alone to protect her boyfriend, she is asked for her body ... Finally, Acme falls.