1girl, d, animal_ear_fluff, animal_ears, barefoot, blue_background, breasts, chitose_sakura_(dairoku_youhei), competition_swimsuit, dairoku_ryouhei, feet, full_body, grey_eyes, holding_kickboard, kickboard, legs, long_hair, looking_at_viewer, one-piece_swimsuit, small_breasts, smile, soles, solo, swimsuit, tail, toes, very_long_hair, yodukir