1girl, bikini, boudica_(fate), breasts, cleavage, fate/grand_order, fate_(series), green_eyes, hareno_chiame, large_breasts, long_sleeves, looking_at_viewer, lying, navel, o-ring, on_back, open_mouth, red_hair, short_hair, short_ponytail, shrug_(clothing), smile, solo, spread_legs, stomach, swimsuit, thigh_strap, thighs, white_bikini