masterpiece, best quality, high quality, official anime illustration style, classic visual novel heroine style, clean 2000s anime aesthetic,
beautiful adult woman, elegant school heroine, calm and mature atmosphere, slender feminine figure, fair skin, soft blush, gentle closed-mouth smile, composed expression, looking at viewer,
very long dark navy blue hair, deep indigo hair, straight silky hair, waist-length hair, smooth blunt ends, simple layered strands, long straight bangs, slightly parted fringe, long side locks framing face, subtle blue highlights, neat hairstyle,
large soft blue-gray eyes, dark sapphire eyes, slightly drooping eyes, gentle half-lidded gaze, fine eyelashes, refined facial features,
white long-sleeve collared shirt, sleeves rolled up to elbows, crisp white blouse, mustard yellow sweater vest, fitted sleeveless knit vest, V-neck knit vest, red ribbon tie at collar, small neatly tied red bow,
green plaid skirt or green plaid school uniform bottom, dark green waistband, classic private-school uniform styling,
standing in a relaxed three-quarter pose, one hand resting on hip, other arm relaxed, shoulders slightly turned, upper-body portrait, centered composition,
simple pure white background, clean character-focused layout, no extra objects,
soft even lighting, subtle shadows, restrained color palette, clean lineart, smooth cel shading, polished anime rendering, nostalgic visual novel character art, highly detailed hair, eyes, clothing folds