She was the Demon Realm's Second Princess, cherished by her elder brother, the Demon Lord. He was the only son of a beloved imperial consort, and was granted the title Prince Ning. Yet his boundless ambition led him to commit a sin he could never atone for in this life. They fell in love. For his sake, she defied the Demon Lord, violated the laws of Heaven, and defied fate, meeting a death without a proper burial. He finally ascended the throne, but for her, he cast aside his imperial robes and shaved his head to become a monk, hoping to atone for her lifelong sins and earn her chance to be reborn and see him once more. When they met again, she had been absolved of her sins, and he had grown old. More than just years and time stood between them.