1girl, ahoge, bare_shoulders, blue_eyes, casual_one-piece_swimsuit, grey_hair, hair_between_eyes, kylin_47, long_hair, no.21:_xxi_(punishing:_gray_raven), no.21:_xxi_(solar_frost)_(punishing:_gray_raven), no.21_(punishing:_gray_raven), one-piece_swimsuit, parted_lips, punishing:_gray_raven, sidelocks, signature, solo, sunglasses, swimsuit, unworn_eyewear