1 male, 1 female, (gorgeous Indian college babe:1.6), (dusky skin:1.4), long black hair, soft sharp features, lush lips, expressive big brown eyes, bindi, perfect slim body, tight round breasts, (massive areolae:1.3), sheer wet white summer dress clinging to body, no bra or panties, nipples clearly outlined, thighs spread, wrists bound with scarf to overhead rail, intense public risk setting, inside an empty metro train car in motion, (deep vaginal penetration from behind:1.4), cock stretching her, teary eyes, flushed cheeks, sweating skin, heavy breathing, submissive expression, legs trembling, restrained posture, one shoe missing, wet floor below her, natural movement blur in background, dim fluorescent lighting, gritty cinematic tone, photorealistic, full body third-person side view, slight dutch angle