1girl bangs beach bikini cloud collarbone commentary_request crossed_legs day dutch_angle fate/grand_order fate_(series) frilled_bikini frills gakuon_(gakuto) garter_belt holding holding_umbrella lady_avalon_(fate) lady_avalon_(second_ascension)_(fate) merlin_(fate/prototype) navel ocean outdoors parasol red_eyes sitting smile solo swimsuit umbrella white_bikini white_hair