1girl bare_shoulders black_gloves black_hairband black_leotard blush breasts breasts_apart center_opening commentary_request dark-skinned_female dark_skin fate/grand_order fate/prototype fate/prototype:_fragments_of_blue_and_silver fate_(series) fingerless_gloves gloves hairband hassan_of_serenity_(fate) large_breasts leotard looking_at_viewer lying navel on_back onsoku_inu parted_lips purple_eyes purple_hair shadow short_hair simple_background solo