AI Face-Swap Star Liu Yifei: Ultimate Black Silk Seductress Doctor's Ejaculation Plan - Training Male M Sex Slave, Up-and-Down Stroking Cock, Cowgirl Riding Insertion to Milk Semen

The film follows a seductive black-stocking temptress doctor who meticulously devises an ejaculation plan to thoroughly train her male M slave. Dressed in tight black stockings, she strokes and teases his cock from top to bottom, mounting him in cowgirl position to extract every last drop of essence. The story brims with tension of dominance and submission, showcasing the doctor's absolute control over her sex slave and her pursuit of ultimate pleasure.