Shion has no money and works part-time at night when she really shouldnt. Taking advantage of this weakness, the store manager proposes a part-time job in the sex processing business. The vulgar store manager, who was aiming for a J cup, demands sexual treatment. The sexual part-time job that started with titty fuck became radicalized to sex and creampie, and Kishions mind and body were being eroded and poisoned day by day...