Stim 99 presents a uniquely kinky scene where Chim and Karlesa explore the boundaries of medical fetish. Chim, the dominant doctor, uses an endoscope to navigate Karlesa's cervix, her eyes fixed on the live footage as she stimulates herself. Karlesa, the submissive patient, writhes in pleasure, her body responding to Chim's expert touch. The grand finale is a creamy insemination, with Chim's load filling Karlesa's womb, captured in all its graphic, uncensored glory by the camera within.