A photorealistic full-body portrait of a 34-year-old Japanese woman with medium-length black hair, captured underwater in an outdoor pool. She is wearing a dark gray bra and matching dark gray panties. The fabric of the bra and panties is visibly soaking wet, appearing water-saturated, clinging tightly to her skin, and displaying deep, dark tones with realistic wet folds and textures. Her skin and hair are completely drenched, featuring a glossy water sheen and clinging strands. She has a cheerful expression on her face. The scene is set underwater with natural light filtering through the pool surface, creating caustic light patterns. The composition is a full-body shot including the face, rendered with high-fidelity photographic detail, sharp focus on the subject, and realistic underwater physics.