There was such a relationship. A princess of the fish tribe fell in love with the emperor in the mortal world, and later married the emperor and gave birth to a baby boy. Later, the princess of the fish tribe was killed by lightning. Later, the baby boy was taken away by an old woman and lived in the Dragon Palace. He was rescued by the Dragon King. The dragon king raised him together with his eldest son and named him Bin Yuan. When he grew up, he met the emperor again. The emperor happened to meet Ao Bin Yuan in the mortal world. Bai Mengzhu, a friend of Bai Mengzhu, learned that Bai Mengzhu was Bin Yuan's sister, so he announced his identity and wanted to marry her. Later, he was conferred as a prince by accident. After Bai Mengzhu entered the palace, by chance, the blood letters and objects on Ao Binyuan fell off and were picked up by the emperor. The emperor learned that Ao Binyuan was his long-lost brother, so he confessed to him, and then Ao Binyuan recognized his ancestor and returned to the clan...
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