The Mighty Demon Lord Is a Flower Spirit

The fearsome Demon Lord of legend turns out to be a little flower spirit. Three hundred years ago, when Hua Yu rescued him, he was a teary-eyed little darling. How did he become the fierce, fearsome ruler of the demon realm? She must have gotten something wrong. Someone tell her: why does a grown man still demand a cuddle every single day? Raising a little bundle of joy is such a hassle. Can she trade him in for another one? A seemingly delicate but tough-at-heart heroine VS a beautiful male lead who only pretends to be a fragile flower.