1girl, ass, bead_bracelet, beads, blue_eyes, bracelet, casual_one-piece_swimsuit, crab_on_head, fate/grand_order, fate_(series), fish, frilled_one-piece_swimsuit, frills, grey_hair, jewelry, marie_antoinette_(fate), marie_antoinette_(swimsuit_caster)_(fate), marie_antoinette_(swimsuit_caster)_(first_ascension)_(fate), moorish_idol, one-piece_swimsuit, open_mouth, pink_one-piece_swimsuit, regal_blue_tang, smile, starfish, swimsuit, totomiya, tropical_fish, turtle, twintails, underwater