1girl :q aqua_panties armpits arms_behind_head black_hair blue_eyes fate/grand_order fate_(series) from_behind from_below full_body highres long_hair midriff navel panties purple_skirt shimomoto side_ponytail simple_background skirt socks solo standing standing_on_one_leg tongue tongue_out underwear ushiwakamaru_(fate/grand_order) very_long_hair white_background white_panties white_skirt