Info of Card Aperxia

Aichi and Taiyou married two Kings that rule the same kingdom who have been best friends since:Chrono Shindou and Toshiki Kai. Now the two villagers live in a royalty life with both Kings as their new lovers and work hard to support and be for their friends and lovers. Though a kingdom is after both of them and yet their love still prevails though who is this king or queen as the rivals of this kingdom, Card Aperxia??