1girl, aona_(anagasaki), bare_shoulders, blue_eyes, blush, breasts, britomart_(fate), britomart_(second_ascension)_(fate), casual_one-piece_swimsuit, center_opening, cleavage, double_bun, fate/grand_order, fate_(series), gold_one-piece_swimsuit, gold_trim, grey_hair, hair_bun, hairband, highleg, highleg_swimsuit, large_breasts, long_hair, looking_at_viewer, o-ring, one-piece_swimsuit, pants, pointy_ears, smile, solo, swimsuit, thighs, tight_clothes, tight_pants, twintails, two-tone_swimsuit, very_long_hair, wet, wet_clothes, white_one-piece_swimsuit, white_pants