Nostalgic Girl By Classroom Window

(extremely detailed CG unity 4k wallpaper), (masterpiece), (best quality), (ultra-detailed), (best illustration), (best shadow), (absurdres), (detailed background), (high res image), (High image quality), (Solo, 1 woman), (cowboy shot),
Female Characteristics: brown hair, brown eyes, long hair, youthful school heroine, soft and pure atmosphere,
Clothes: uniform, winter uniform, navy blue long-sleeved sailor blouse, navy blue pleated skirt, red neckerchief,
Expression: nostalgic and slightly wistful expression, closed mouth, looking at viewer, eyes filled with quiet memory,
Scene: standing beside a classroom window, holding a small notebook close to her chest, remembering childhood days and an unspoken feeling,
Background: classroom window with warm golden light, gently moving curtain, blurred desks, faint floating light particles, soft nostalgic spring atmosphere