What Should I Do After a Split-Personality Cultivator Picks Up a Demon Lord Cub?

Male lead returns to childhood + female lead switches personalities

Yu Yao harbored an utterly wicked nature within her. The God of War told her that only the Ninefold Mystic Bracelet, tempered in the Demon Lord's blood, could suppress that evil side.

So she concealed her immortal nature and went to the demon realm, where she unexpectedly found the Demon Lord transformed into a two-year-old child.

To get his demon blood, Yu Yao went all out to please the Demon Lord, but her utterly wicked nature often came out to cause trouble.

One moment she would dote on the Demon Lord; the next, she could toss him into a river without a shred of mercy.

After enduring one miserable experience after another, the Demon Lord finally regained his true form. His first order of business was to settle the score with Yu Yao, only to discover that her other nature was actually the soul of the person he had longed for over ten thousand years.

Looking at the person who had once been beyond his reach, now without her memories and trapped in the body of a useless little immortal, he suddenly had an interesting idea...