1girl, o, animal_ears, black_shorts, blush, bra, breasts, brown_hair, cardigan, cleavage, collarbone, daiwa_scarlet_(umamusume), dolphin_shorts, fang, hair_intakes, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, lying, medium_breasts, on_side, pink_cardigan, red_eyes, shorts, skin_fang, solo, tail, umamusume, underwear, very_long_hair, white_bra, yamaro_emo_pvc