1girl, ahoge, bangs, black sailor collar, black skirt, blue necktie, blush, brown hair, cardigan, diagonal-striped necktie, fang, glasses, green eyes, grey cardigan, hair between eyes, hair bun, hair ornament, hairclip, labcoat, long hair, long sleeves, looking at viewer, necktie, nibiiro shizuka, open cardigan, open clothes, open mouth, original, plaid, plaid skirt, pleated skirt, red-framed eyewear, sailor collar, school uniform, semi-rimless eyewear, serafuku, shirt, single side bun, skirt, sleeves past wrists, solo, sweat, under-rim eyewear, very long hair, vial, wavy mouth, white background, white shirt