3girls, ball, baobhan_sith_(fate), barghest_(fate), beachball, bikini, black_border, border, breasts, choker, cleavage, d, fate/grand_order, fate_(series), greyscale, grin, holding, holding_ball, holding_beachball, holding_umbrella, large_breasts, light_smile, melusine_(fate), monochrome, multi-strapped_bikini, multiple_girls, navel, nishimi_shin, o-ring, o-ring_top, one-piece_swimsuit, palm_tree, parasol, pointy_ears, reaching, reaching_towards_viewer, smile, swimsuit, tree, umbrella