Azu, who was working desperately at multiple part-time jobs to earn money for her beloved boyfriend's tuition, was told she would be fired after repeatedly making work mistakes due to fatigue. However, when she pleads with the store manager because she desperately needs to make some money, she is forced to perform sex work during the late-night shift. Azusa tearfully accepted the unreasonable request, but it also inflamed the lust of her senior clerk... and her young body was relentlessly trained.