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Solo, 1girl, clear female anatomy, detailed vulva, no penis,

An incredibly realistic full-body portrait of an adorable 18-year-old Japanese idol girl with a petite 150cm figure. She has soft and youthful facial features, sparkling energetic eyes, naturally glowing skin with subtle blush on her cheeks. Her long dark brown hair is styled in soft pigtails with light bangs, featuring silky texture and natural shine.

Inside a bright high-school.

she wearing an one leg lifted slightly, pulling the crotch of her  extremely tight and worn dark blue school swimsuit made of latex (sukumizu), with thin shoulder straps, the right shoulder strap has naturally slipped down from her shoulder due to the her movement, causing the right side of the swimsuit to shift and her right breast to softly spill out in a very natural and accidental way with the nipple gently exposed.
the crotch area highly and riding up deeply between her thighs exposing the shape fabric tension and wedgie, thin material clinging to every curve. she is looking away. 
Her pubic hair is naturally curly, unshaven.
and shiny with oil, opening her leg, She lay down on the small stage, touching her own. (low-angle shot).

Her smooth skin is coated with a thin layer of body oil, creating a glossy, reflective surface that catches and scatters the light elegantly.

the foreground, male visitors can be seen surrounding her, taking pictures with their smartphones. 

in Late afternoon sunlight softly enters through large windows, illuminating floating dust particles in the air.

The photograph intentionally looks imperfect and amateurish. Slightly crooked composition, tilted horizon, awkward framing, excessive empty space above her head, subject positioned off-center, slight camera shake causing subtle motion blur, soft focus, imperfect autofocus, minor lens softness, noticeable 35mm film grain, visible analog noise, faded colors, slightly washed-out contrast, mild overexposure from the built-in flash, bright flash reflections on nearby surfaces, subtle lens flare, slight vignetting around the corners, tiny light leaks near one edge of the frame, faint scratches and dust typical of scanned film, slight color shift toward warm tones, uneven exposure, a finger partially covering one corner of the lens, authentic disposable camera imperfections.
Natural candid body language, realistic skin texture, individual hair strands moving naturally, documentary photography, nostalgic family photo aesthetic, authentic Japanese everyday atmosphere, analog film photography, cinematic realism, photobook aesthetic, ultra photorealistic, masterpiece, highest quality, highly detailed, realistic scanned film look, no text, no logo, no watermark.