yamaneko_(tkdrumsco), ereshkigal_(fate), space_ereshkigal_(first_ascension)_(fate), year_2024, 1girl, blonde_hair, breasts, covered_navel, covered_nipples, frilled_one-piece_swimsuit, frills, highleg, highleg_one-piece_swimsuit, long_hair, looking_at_viewer, lying, nipples, o-ring, o-ring_swimsuit, ocean, on_back, one-piece_swimsuit, outdoors, parted_lips, partially_submerged, red_eyes, see-through_clothes, solo, swimsuit, two-tone_one-piece_swimsuit, two-tone_swimsuit, two_side_up, , fate/grand_order, fate_(series)