1girl, ahoge, bare_shoulders, bikini, breasts, cleavage, collarbone, echo_(circa), fate/grand_order, fate_(series), frilled_bikini, frills, lady_avalon_(fate), lady_avalon_(second_ascension)_(fate), long_hair, looking_at_viewer, medium_breasts, merlin_(fate/prototype), navel, red_eyes, sitting, smile, solo, swimsuit, thighs, very_long_hair, water, white_bikini, white_hair