1girl, ahoge, animal_ears, arm_at_side, banned_artist, black_hair, blue_one-piece_swimsuit, blush, breasts, cleavage, clenched_hand, collarbone, competition_school_swimsuit, covered_navel, cowboy_shot, grey_hair, grin, hair_between_eyes, hair_ornament, hair_ribbon, hair_twirling, hand_up, head_tilt, horse_ears, horse_girl, horse_tail, jacket, kitasan_black_(umamusume), koisuke, large_breasts, long_sleeves, looking_at_viewer, multicolored_hair, off_shoulder, one-piece_swimsuit, open_clothes, open_jacket, parted_bangs, playing_with_own_hair, red_eyes, red_ribbon, ribbon, school_swimsuit, see-through, shiny_clothes, short_hair, sidelocks, simple_background, smile, solo, standing, streaked_hair, swimsuit, swimsuit_under_clothes, tail, thigh_gap, thighs, tracen_swimsuit, transparent_background, two-tone_hair, two_side_up, umamusume, wet, wet_clothes, wet_hair, wet_swimsuit, white_jacket