1girl, animal_ears, armpits, arms_behind_head, arms_up, blue_one-piece_swimsuit, blush, bow, breasts, collarbone, competition_school_swimsuit, covered_navel, curren_chan_(umamusume), ear_bow, from_side, grey_hair, horse_ears, horse_girl, horse_tail, medium_breasts, medium_hair, one-piece_swimsuit, pinky_iwata, purple_eyes, red_bow, school_swimsuit, simple_background, single_vertical_stripe, smile, solo, standing, swimsuit, tail, tail_through_clothes, tracen_swimsuit, umamusume, upper_body, white_background