1girl, air_groove_(umamusume), all_fours, animal_ears, bare_shoulders, blue_eyes, blue_one-piece_swimsuit, blush, bob_cut, breasts, brown_hair, cleavage, closed_mouth, collarbone, covered_navel, hair_between_eyes, horse_ears, horse_girl, horse_tail, katagirinanoka, large_breasts, light_frown, looking_at_viewer, medium_hair, one-piece_swimsuit, simple_background, solo, swept_bangs, swimsuit, tail, tracen_swimsuit, umamusume