1girl, ass, ass_support, back, bare_back, blue_eyes, casual_one-piece_swimsuit, dated, fake_tail, from_behind, green_one-piece_swimsuit, highleg, highleg_swimsuit, long_hair, looking_back, nii_manabu, one-piece_swimsuit, original, rabbit_tail, shawl, sidelocks, smile, solo, swimsuit, tail, white_hair