Candid beach hair tying moment

TITLE:
Candid Beach Hair-Tying Moment

IDENTITY LOCK:
None.

STYLE:
Ultra-realistic photorealism.
Authentic handheld iPhone 16 Pro photography.
Casual Instagram-style lifestyle photo.
Natural HDR with minimal retouching.
Authentic skin texture.
Spontaneous candid beach snapshot.

SUBJECT:
Beautiful Japanese woman in her early 20s.
Long warm chestnut-brown hair with subtle caramel-brown highlights and soft see-through bangs.
Large dark brown eyes.
Natural makeup.
Healthy fair skin.

BODY:
Pronounced feminine hourglass figure.
Natural feminine curves.
Naturally full, rounded bust.
Slim waist.
Softly rounded hips.
Realistic anatomy and natural proportions.

OUTFIT:
Black halter-neck bikini.
Deep V-shaped neckline with softly gathered triangular cups.
Thin black halter straps around the neck.
Polished gold chain-link connectors between the bikini cups and halter straps near both collarbones.
Solid black fabric with no patterns or logos.
Elegant, minimal resort-style design.

SCENE / ENVIRONMENT:
Sunny Japanese beach in summer.
Bright turquoise-blue ocean and pale sandy beach behind her.
Clear blue sky with a few soft white clouds.
A few distant beachgoers softly blurred in the background.
Relaxed midsummer seaside atmosphere.

POSE / EXPRESSION:
She is caught naturally in the middle of tying her hair into a ponytail.

Both arms are raised above and slightly behind her head, naturally exposing both underarms.
Both hands are gathering her hair together at the back of her head.
Her hair is still loose and has not yet been tied.

A simple black elastic hair band is lightly held between her lips, forming a small visible loop.

While gathering her hair, she notices the camera and gently looks toward it.
Soft direct eye contact with a gentle, slightly surprised and slightly shy expression.
Relaxed eyes with subtle warmth in her face.
She continues holding her hair with both hands rather than posing for the camera.
Natural candid moment.

CAMERA:
Vertical 2:3 composition.
Waist-up portrait.
Eye-level perspective.
Close handheld smartphone framing from approximately the waist to slightly above her raised hands.
Her waist, bikini top, shoulders, both underarms, raised arms, face, hair, and hands are visible within the frame.
Slight three-quarter frontal angle.
Natural smartphone perspective with no wide-angle distortion.
Moderately shallow depth of field with the beach softly blurred behind her.

LIGHTING:
Bright natural summer sunlight.
Warm sunlight across her face, shoulders, and arms.
Natural highlights on her chestnut-brown hair and gold bikini details.
Soft realistic shadows beneath her raised arms.
Natural outdoor exposure.

DETAILS:
A few loose strands of hair fall naturally around her cheeks, ears, and neck.
Soft bangs move slightly in the ocean breeze.
The black elastic hair band is clearly visible between her lips.
Natural tension in her arms and shoulders as she gathers her hair.
Subtle sunlight reflections on the gold chain-link bikini hardware.

NEGATIVE / CONSTRAINTS:
No completed ponytail.
No CGI.
No illustration.
No anime.
No plastic skin.
No text or watermark.
No malformed anatomy or extra limbs.