Revenge of the Fox Twin

In her past life, she was the Fox Queen, killed by her sister. Reborn, her sister becomes the Crown Prince's Secondary Consort. But the Royal Family of the Azure Hills' bloodline dictates pregnancy drains life force. She gets pregnant with Caelan Knight, the Second Prince of The Azure Hills. While her sister schemes, she plans. Teaming with Caelan Knight, she exposes her sister, who gives birth to a two-headed monster.