1girl, bikini, breasts, day, fate/grand_order, fate_(series), flower, frilled_bikini, frills, holding, holding_umbrella, innertube, lady_avalon_(fate), lady_avalon_(second_ascension)_(fate), looking_at_viewer, merlin_(fate/prototype), ocean, oramustat, outdoors, parasol, red_eyes, sitting, smile, solo, swimsuit, umbrella, white_bikini, white_hair, white_umbrella