After Transmigration, I Fix the Villain Valley with My Three Kids

Famous healer An Danyu transmigrates to ancient times and marries Prince Xue Huailin, who disguises himself as a farmer, becoming the stepmother to three young tyrants. To stay, An Danyu outwits rebellious children, punishes ungrateful maids, and befriends several major villains in the Villain Valley. Prince Xue Huailin never expected that the fragile, pitiful green tea girl before him is actually a chaotic demon king who is even worse than the villains to others.