1girl, d, armpits, barefoot, beach, bikini, black_hair, blue_bikini, blue_eyes, breasts, cameltoe, day, fate/grand_order, fate_(series), hair_bun, kiya_hajime, long_hair, looking_at_viewer, medium_breasts, navel, ocean, outdoors, parted_bangs, sand, side_ponytail, single_hair_bun, single_side_bun, smile, solo, squatting, stomach, swimsuit, thick_eyebrows, ushiwakamaru_(fate), ushiwakamaru_(swimsuit_assassin)_(first_ascension)_(fate), very_long_hair, water