yamanaka kotetsu, tiamat (fate), fate/grand order, fate (series), game cg, highres, official art, second-party source, 1girl, aqua hair, arm up, breasts, curled horns, full body, hair between eyes, high heels, horns, large breasts, long hair, looking at viewer, navel, outline, purple eyes, see-through clothes, smile, solo, standing, symbol-shaped pupils, tachi-e, tiamat (swimsuit archer) (first ascension) (fate), transparent background, very long hair, white outline, x-shaped pupils