The son of the Taiwei, the elder brother of Ling Changfeng, the Marquis of Wu'an.After Ling Changjin's eldest sister was sent to the Yilan tribe for marriage, she was infected by butterfly Gu. Only Qilin blood could save her. In order to get the blood, he forcibly married Princess Baozhu.At first, he only used Baozhu, treating her as a blood bank to save his sister. Later, he was touched by her kindness while getting along with her, and gradually fell in love with her.