<A girl in uniform who worked part-time at a convenience store for her boyfriend sold her body for a small increase in hourly wage...> Kasumi has no money and works part-time at a late night when she shouldn't really be working. - Taking advantage of that weakness, the store manager proposed a part-time job in the sex processing business. - The vulgar store manager, who was aiming for a J cup, demands sexual treatment. - Kasumi's part-time job, which started with tit-fuck, escalated to sex and creampie, and Kasumi's mind and body were being eroded day by day...