1girl, animal ears, arms up, bow, breasts, brown hair, closed mouth, grey background, hair between eyes, happy birthday, horse ears, horse girl, horse tail, large breasts, long hair, lying, multicolored hair, on side, petals, pleated skirt, purple shirt, purple skirt, red eyes, school uniform, shirt, simple background, skirt, smile, solo, streaked hair, tail, tracen school uniform, very long hair, white bow, white hair