1girl, anime, anime style, 3d, chibi, full body, solo, masterpiece, highly detailed, exquisite detail, high definition, best quality, ultra highres, KisakiRyuugeSS, pale skin, halo, black hair, long hair, dark blue butterfly hair ornament, large round translucent glasses, black summer outfit, black ankle-strap sandals, simple swimwear design, serious face, smile, open mouth