FSDSS-304 Arina Hashimoto works the night shift at a convenience store, where she and her boyfriend work together at a part-time job where they have sex with each other and have sex with each other.

Arina, a female college student, works part-time at the same convenience store as her boyfriend. - One day, the old man at her part-time job, who Arina had been making fun of, tells her, ``My boyfriend is stealing products from the store. I don't want him to steal this...'' and forces her to have a relationship with him. - In order to protect her boyfriend, from that day on, every time she was on night shift with an old man, she was asked for her body... and finally fell into orgasm.