kotatsu-mazoku, original, commentary request, highres, 1girl, armband, black jacket, blazer, blue skirt, blush, brown eyes, buttons, closed mouth, collared shirt, dot nose, jacket, long sleeves, looking at viewer, miniskirt, necktie, notice lines, orange hair, plaid clothes, plaid skirt, pleated skirt, ponytail, red necktie, school uniform, shirt, short hair, sidelocks, simple background, skirt, smile, solo, striped necktie, white background, white shirt