18-year-old pregnant young woman, slim figure with a rounded pregnant belly, smooth fair skin glowing under soft lighting, full and symmetrical breasts with perky nipples, long straight blonde hair cascading over her shoulders, large expressive green eyes, flushed cheeks, full pink lips slightly parted, confident yet shy expression, manicured nails, delicate fingers resting on her belly, completely naked, no clothing, her belly fully exposed, highlighting the natural curves of her pregnant body, subtle stretch marks adding realism, body slightly arched to emphasize her figure, luxurious bedroom setting, large canopy bed with silk white sheets, soft warm lighting, tall windows with sheer curtains letting in dim daylight, golden and beige decor, plush carpeted flooring, a vase with fresh white lilies on a nightstand, large mirror reflecting the scene, intimate group interaction, two muscular men in their late twenties, strong athletic builds, deeply tanned skin, dominant and passionate demeanor, one man caressing her pregnant belly while the other engages in vaginal penetration, her hands gripping the sheets tightly, her face expressing ecstasy and surrender, soft moans filling the room, movements synchronized and sensual, warm lighting highlighting the natural glow of her skin, shadows adding depth to her curves, sharp focus on her body and expressions, slight blur in the background, perfect composition, photorealistic detailing of every element, masterpiece, best quality, highres, photorealistic, ultra-high resolution, perfect skin details, noise-free, cinematic grade quality, HDR, ISO optimized, depth of field, cinematic lighting, high attention to detail.