Use the person from the reference image. Preserve facial features 1:1 — face, proportions, skin texture, skin tone, age, hair color and hair length exactly. Concept: a bright tropical beach photoshoot in the open ocean with a large blue inflatable shark. Subject: a girl in a vivid one-piece swimsuit with thin straps and a deep V-neckline. Setting: open sea, transparent water with light foam around, gentle waves, clean horizon line, soft cirrus clouds, golden hour. Action & Pose: sitting astride the inflatable shark, leaning slightly forward, holding the top fin with one hand, looking directly into the camera. Appearance: wet hair, water droplets on the skin and swimsuit. Framing & Composition: vertical frame, full body, shot from water level, central composition, the face and hands in sharp focus. Lighting: warm golden hour light, side key light, subtle back rim light. Visual Style: photorealism, ultra-detailed, 8k, high dynamic range. Color Palette: natural skin tones. Details & Texture: realistic highlights on the waves and on the rubber surface of the shark, clear texture, visible pores, real proportions. Exclude: noise, artifacts. Priority Instructions: keep the pose neat and the likeness exact.