1girl, ahoge, bikini, breasts, fate/grand_order, fate_(series), frilled_bikini, frills, hair_between_eyes, hair_intakes, holding, holding_umbrella, lady_avalon_(fate), lady_avalon_(second_ascension)_(fate), long_hair, medium_breasts, merlin_(fate/prototype), navel, okitananami, open_mouth, parasol, partially_submerged, red_eyes, sitting, smile, solo, swimsuit, twintails, umbrella, water, white_bikini, white_hair