query-next

$meta_query = array(
	'relation' => 'AND',
	array(
		'key'     => 'east_series',
		'value'   => '$post_id',
		'compare' => '=',
		'type'    => 'NUMERIC',
	),
	array(
		'key'     => 'east_chapter',
		'value'   => '$cap_id',
		'compare' => '>',
		'type'    => 'NUMERIC',
	),
);