score_9, score_7_up, <break> chibi, simple background, white background, full body, solo, 1girl, formidableschool, expressionless, standing, grey hair, twintails, hair ribbon, two-tone ribbon, black eyes, dot eyes, school uniform, black serafuku, black shirt, crop top overhang, black sailor collar, red neckerchief, long sleeves, black skirt, pleated skirt, white thighhighs