japanese woman, 21 years old, large breasts, wide hips, toned female, narrow waist, 1girl, solo, sitting on floor, jacob's ladder sitting on floor, leaning back, legs spread wide, pulling labia apart with fingers, wide apart labia, looking down, shy, slightly embarrassed expression, simple office setting, indoor, at a office, 1:1 square, masterpiece, best quality, 8k, hyper-realistic, photography, film grain, natural shadows, soft light leaks, natural light bokeh, medium shot waist-up