Former model Yuna now runs a talent agency, with her younger sister Airi being the key asset driving the company's revenue. To promote Airi to producers and sponsors, Yuna is willing to engage in sexual negotiations when necessary. One day, Airi receives a lucrative offer to appear in a commercial from a financial loan company. However, the offer comes with an unusual condition—she must provide her body to the client. Upon learning this, Yuna hesitates but ultimately urges Airi to handle the negotiation herself. Airi heads to meet the client, only to face an unexpected and disturbing turn of events...