Video of a close-up of a nude woman's buttocks and vagina, showing stretch marks and skin texture. Background includes a blurred, dark indoor setting and a virtual fitness screen with stats.

Video of a shirtless, fit young man with short dark hair, wearing black Calvin Klein boxers, sitting on a black chair in a minimalist, white-walled room with a bed and pillow.

A video of a fair-skinned woman with a green crop top and pink panties, standing in a bedroom with a pink bed and a digital screen displaying fitness stats.

Video of two young, fit, nude Asian men, one sitting, the other lying on a bed with a geometric-patterned headboard.

Video of a shirtless, fit man sitting on a couch, and a young woman in a red tank top and jeans, smoking a cigarette, in a modern living room.

Video of four nude, fit, young men with varying skin tones engaged in a sexual act, in a modern living room with art and mirrors.

Video of a woman in a black, form-fitting leather bodysuit, kneeling on a bed, one hand lifting her breast, in a softly lit, minimalist bedroom.

Video of a nude, fit woman with a toned abdomen, small breasts, and a tattoo on her hip, standing in a bedroom with white bedding, a bed, and a partially visible wall with a framed photo.

Video of a nude man with an erect penis lying on a bed, a woman's foot resting on his leg; modern bedroom background with wooden wardrobe, gray chair, and digital fitness app overlay.