1girl, bikini, breasts, fate/grand_order, fate_(series), holding, holding_umbrella, huangyouxingren, lady_avalon_(fate), lady_avalon_(second_ascension)_(fate), long_hair, looking_at_viewer, medium_breasts, merlin_(fate/prototype), navel, ocean, red_eyes, smile, stomach, swimsuit, umbrella, white_bikini, white_hair, white_umbrella