1girl, bare_shoulders, blue_one-piece_swimsuit, breasts, brown_hair, daiwa_scarlet_(umamusume), groin, horse_girl, horse_tail, indoors, large_breasts, looking_at_viewer, looking_back, one-piece_swimsuit, open_mouth, po_musubi, red_eyes, school_swimsuit, solo, swimsuit, tail, thighs, tiara, twintails, umamusume, upper_body, wet, wet_clothes, wet_swimsuit, wide_hips