Photo-realistic Candid Portrait of a Japanese Office Lady (OL) AI Image Prompt

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Create a highly aesthetic, photo-realistic candid portrait of a cute young Japanese office lady (OL) who appears to be in her early 20s. 
She has a soft, youthful face with large expressive eyes, delicate fair skin that glows naturally, subtle natural makeup, and dark hair in a simple soft hairstyle—straight or gentle waves with neat bangs falling naturally. 
Her expression is calm and professional, with a subtle polite smile and soft eyes that give an innocent yet composed vibe.
She has a naturally voluptuous figure with large breasts, but in keeping clothing to downplay their chest—she wears a classic Japanese OL suit designed to subtly conceal and not emphasize her bust: a loose-fitting crisp white long-sleeve blouse (slightly oversized or with soft draping fabric that avoids tight tension across the chest), paired with a tailored navy or black jacket worn buttoned or semi-buttoned for added coverage, and a knee-length pencil skirt or straight slacks. 
The overall fit is professional and modest, with gentle fabric drape and no visible cleavage or tight contours around the chest area.
The shot is an upper-body portrait framed from the chest up, showing her standing casually yet professionally in a relaxed posture—shoulders soft, perhaps holding a folder or with hands lightly clasped in front for a natural office feel.
The photo is captured using flash photography in a low-light, dim indoor office atmosphere at night, with slight overexposure from the flash creating a soft, flattering glow on her youthful skin. 
Include realistic film grain and subtle color noise for a raw, authentic feel, soft focus overall with shallow depth of field, and a beautifully blurred nighttime office background with warm bokeh from desk lamps and subtle window glow showing city lights.