Bound by a contract, a naive Japanese model endures an unexpected turn of events as she poses for a sketch artist. Unbeknownst to her, the artist has laced her drink with an aphrodisiac, causing her to leak arousal onto her canvas. As she struggles to maintain composure, the artist's lewd gaze and taunting words push her closer to the edge. In the second part of this taboo encounter, the model's body betrays her, leading to a humiliating, creamy orgasm that leaves her begging for more.