The Reborn Phoenix Brings Disaster to the Country

She was a talented and beautiful folk girl, and he was the most crowned prince in the world. She saved him, and he made a promise with her. However, she traveled thousands of miles to the palace to find him, but what awaited her was cruel humiliation and death. How could she rest in peace after turning into bones overnight? Possessed and reborn, he immediately became a demon and vowed to kill all his enemies, making him regret his whole life. However, the situation in the palace is changing, and there are many killings. After the mysteries and truths are constantly being revealed, there are more conspiracies and obstacles. Is there a future for her and him in the endless darkness?