Junhee, a timid individual who finds himself broke after lending out all his money, stumbles upon a lucrative part-time job opportunity that exclusively caters to women. Desperate for funds, he decides to masquerade as a female applicant, only to realize that the position involves participating in a clinical trial for a female libido enhancement pill. Caught in a week-long confinement with five other women, including former classmates, Junhee must navigate the precarious situation of concealing his true identity amidst the intimate and revealing circumstances. How long can he keep his secret hidden before being exposed?