Cheating All the Way to the Demon World, Am I the Father of the Demon King?

A little boy of 6 years old. He has many questions every day. Lots and lots of questions. For example, what is the magic number between 3 and 4? Where does Ultraman come from? What's in the dark? … He has countless questions As his parents, we need to give him answers. If we meet by chance, I hope I can make you smile, and I also hope you are a little boy. Provide valuable advice for his One Hundred Thousand Whys. After all, he is the future demon king. I only learned this after traveling through time. My son in this life is my enemy in the previous life. After resurrecting my life and knowing the truth, will I make him successful or destroy him? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.