gym scene, woman on stairmaster, stair master, stepper machine, running, treadmill, ((black skin)), (((nubian))), (African), wears bright green gym gear, braided long hair, big tits, fake tits, huge massive round fake tits, f-cup tits, lots of tattoos, small waist, big round ass, oil all over body, athletic, nsfw, showing nipples, dark nipples, high definition photo, in gym, ultra detailed skin, ultra detailed face, small skin imperfections