((masterpiece)), (((best quality))), ((extremely detailed)), kokoro, 1girl, short hair, looking at viewer, blush, bangs, blue eyes, shirt, black hair, long sleeves, closed mouth, school uniform, blue hair, upper body, serafuku, solo focus, sailor collar, bag, neckerchief, expressionless, blue shirt, blue sailor collar, red neckerchief, school bag, blue serafuku