I'll Never Understand My Ex-Husband's Way of Thinking

A thousand years ago, Sui Ji followed her master to meet the crown prince and discuss how to vanquish evil. But the crown prince turned out to be a deranged, ultimate villain. The moment he saw Sui Ji, he dropped all pretense and insisted on marrying her. Sui Ji begged her master for help. Her timid, trouble-avoiding master took the prince's betrothal gifts and ran for it. With no other choice, and unable to beat him, Sui Ji stayed behind to become the deranged ultimate villain's crown princess. The villain had done countless evil deeds, but fate caught up with him. Less than two years after their wedding, a heavenly tribulation struck him to ash. With her husband gone, Sui Ji was single again. Lonely days were hard to bear, so she decided to find herself a new husband. She searched and searched for a thousand years. The world changed beyond recognition, and dynasties crumbled into dust. At last, Sui Ji found herself a new husband. New husband: Hi, honey! It's been a thousand years. Did you miss me? Sui Ji: ... My long-dead ex-husband suddenly got up and attacked me! 1. The protagonist is beautiful, with an androgynous beauty that makes him the most beautiful person in the world. 2. The love interest is just like the blurb says: a deranged man. 3. Both are devoted to each other, and each is the other's first love. Theme: Love is love when it can endure the cycles of time.