To protect her beloved boyfriend… she becomes a busty part-time worker who is trained to orgasm through sexual manipulation and aphrodisiacs by the shop manager. (JUFE-502)

Rena is a working girl who works multiple jobs to earn tuition fees for her beloved boyfriend. However, due to exhaustion, she repeatedly makes mistakes at work and is told she will be fired. When she pleads with the manager for help because she desperately needs money, she is forced to work as a sex worker late at night. Rena tearfully accepts this unreasonable demand, which arouses the lust of a high-ranking employee, who ruthlessly trains her to use her large breasts…