1girl, ahoge, animal ears, black pantyhose, boots, brown hair, full body, hand up, horse ears, horse girl, horse tail, looking at viewer, necktie, open mouth, orange eyes, pantyhose, short hair, short necktie, simple background, sleeves past fingers, sleeves past wrists, smile, solo, standing, sweater, tail, test tube, white background, white footwear, yellow sweater