Hyper-realistic cinematic masterpiece, explicit sexual intercourse, cowgirl position on a bed, silhouette of a plus-sized blonde woman kneeling and straddling a muscular dark-skinned man lying on his back, deep penetration, cock visibly entering vagina, enormous exaggerated massive pendulous breasts hanging down with visible contours, curves and muscle definition. Stark silhouette definition, backlight through a large window, warm atmospheric gold and amber tones, dramatic rim lighting, moody shadows, high contrast chiaroscuro technique. Photorealistic skin textures, detailed anatomy, intimate composition focusing on genitals and point of contact. Digital art style with the precision of concept art, 8k UHD, sharp focus, erotic mood, moody atmospheric lighting, deep blacks and warm highlights.