A relaxed, unposed boudoir shot of a woman with messy hair, wearing an oversized white button-down shirt, slightly open to reveal realistic collarbone and shoulder anatomy. She is sitting on a plush rug by a large window. The natural light creates a soft glow on her skin. High-fidelity textures, candid expression, 8k resolution, cinematic color grading, shot on Sony A7R IV, f/2.0.