matsuryuu, britomart (fate), fate/grand order, fate (series), commentary request, game cg, official art, third-party source, 1girl, blue eyes, breasts, cowboy shot, double bun, dress, eyelashes, hair bun, horizon, long hair, looking at viewer, looking back, medium breasts, ocean, official alternate costume, outdoors, photo background, pointy ears, short sleeves, sidelocks, smile, solo, sun, sunset, twintails, very long hair, white dress, white hair