1girl, animal_ears, black_footwear, black_hair, black_thighhighs, blue_eyes, blush, bob_cut, breasts, choker, classroom, desk, eishin_flash_(umamusume), horse_ears, horse_girl, indoors, kawai_(purplrpouni), large_breasts, long_sleeves, medium_hair, parted_lips, red_choker, sitting, smile, solo, swept_bangs, teeth, thighhighs, thighs, umamusume, window, wooden_floor