1girl, animal_ears, bare_shoulders, blue_one-piece_swimsuit, blush, breasts, brown_eyes, brown_hair, collarbone, covered_navel, ear_ornament, ear_ribbon, horse_ears, horse_girl, horse_tail, large_breasts, long_hair, looking_at_viewer, old_school_swimsuit, one-piece_swimsuit, one_eye_closed, open_mouth, satono_diamond_(umamusume), school_swimsuit, smile, solo, sparkle, swimsuit, tail, tomo_(tmtm_mf_mf), towel, umamusume, very_long_hair