HDR, photorealistic, a curvy woman with rich deep brown skin (two shades darker, with a warm undertone), long flowing dark hair cascading over her shoulders, front view close-up on her full body, standing in a dimly lit urban alley at night, legs spread wide in a teasing pose, masturbating intensely with slick, dripping wet fingers plunging into her swollen pussy, labia glistening with arousal, be...