kotatsu-mazoku, black-haired twintail girl (kotatsu-mazoku), original, commentary request, highres, 1girl, black hair, black jacket, black socks, blazer, blue necktie, blue ribbon, blue skirt, blush, brown shoes, closed mouth, collared shirt, dot nose, full body, hair ribbon, hand up, jacket, long hair, long sleeves, looking at viewer, necktie, pink eyes, plaid clothes, plaid skirt, pleated skirt, ribbon, school uniform, shirt, shoes, simple background, skirt, smile, socks, solo, sparkle, standing, striped necktie, twintails, white background, white shirt