A high school girl working part-time for her boyfriend sells her body for a slight raise in hourly wage… With no money, she works late nights despite knowing she shouldn't. The store manager takes advantage of her weakness and proposes an underground part-time job involving sexual services. The lecherous manager, who had been eyeing her J-cup, seizes the opportunity to demand sexual services. The part-time job starts with blowjobs but escalates into full-blown sex and internal ejaculation, slowly corrupting and poisoning Shion's mind and body…
