1girl, o, animal_ears, antenna_hair, bikini, bikini_skirt, blush, breasts, brown_hair, daiwa_scarlet_(trifle_vacation)_(umamusume), daiwa_scarlet_(umamusume), day, fang, front-tie_bikini_top, front-tie_top, hair_down, hair_intakes, horse_ears, horse_girl, large_breasts, long_hair, low_twintails, navel, official_alternate_costume, official_alternate_hairstyle, outdoors, red_bikini, red_eyes, skin_fang, solo, swimsuit, twintails, umamusume, very_long_hair, yami_anko