1girl, animal_ears, bad_pixiv_id, black_bra, black_hair, black_thighhighs, blue_eyes, blush, bob_cut, bra, breasts, chair, collarbone, crossed_legs, eishin_flash_(umamusume), hair_ribbon, horse_ears, horse_girl, indoors, kawai_(purplrpouni), lamp, large_breasts, looking_at_viewer, off_shoulder, parted_lips, ribbon, short_hair, sitting, solo, sunlight, sweater, swept_bangs, thighhighs, thighs, umamusume, underwear, white_sweater