japanese woman, 21 years old, large breasts, wide hips, toned female, narrow waist, shoulder-length dark brown bob with inward c-curl, topless, bare chest, breasts fully exposed, nipples visible, bottomless, bare thighs, bare lower body, pussy fully exposed, vulva visible, sitting on office floor, leaning back, legs spread, dildo inserted in pussy, face flush red, eyes closed, hands lightly gripping her thighs, in a modern office, 1girl, solo, full body shot, 1:1 square, masterpiece, best quality, 8k, hyper-realistic, photography, film grain, natural shadows, soft light leaks, natural light bokeh