Studio portrait of a woman of Korean–Mexican heritage in her early 30s; light-medium warm skin tone; long dark hair with soft waves, side-parted; no visible jewelry; wearing a plain butter-yellow crewneck sweatshirt, no logos; neutral cool-gray seamless backdrop; Rembrandt lighting with soft fill; 105mm macro-sharp, f/7.1, ISO 100, ultra-high detail, crisp micro-contrast, no smoothing or blur. Expression: open friendly smile with natural teeth visible, authentic and relaxed. Framing: portrait orientation, 3:4 ratio; mid-chest-up, centered at eye level; full head and hair visible.