1girl, american_flag_bikini, animal_ears, bathroom, bathtub, bikini, blue_eyes, breasts, brown_hair, flag_print, hair_ornament, horse_ears, horse_girl, horse_tail, large_breasts, long_hair, looking_at_viewer, navel, one_eye_closed, ponytail, ririsu082, side-tie_bikini_bottom, sitting, solo, star_(symbol), star_hair_ornament, swimsuit, taiki_shuttle_(umamusume), tail, tile_wall, tiles, umamusume