1girl, ahoge, artist_name, bare_shoulders, bikini, blue_sky, blush, breasts, cleavage, collarbone, dated, day, eeyoosekedooaat, fate/grand_order, fate_(series), grey_hair, hair_twirling, head_tilt, lady_avalon_(fate), lady_avalon_(second_ascension)_(fate), looking_at_viewer, merlin_(fate/prototype), ocean, outdoors, pink_eyes, sky, smile, solo, swimsuit, umbrella, white_bikini