1girl, armpits, bikini, fate/grand_order, fate_(series), frilled_bikini, frills, gnarlypzofbread, lady_avalon_(fate), lady_avalon_(second_ascension)_(fate), long_hair, looking_at_viewer, merlin_(fate/prototype), navel, one_eye_closed, pink_eyes, sky, smile, solo, swimsuit, thighs, umbrella, very_long_hair, water, white_bikini