Who Planted the World Tree on Me?

"There's a tree growing in my head." "Tree?" "Yes, it has been there since the day I was born. In order for it to take root and sprout, I spend eight hours in the sun every day and drink at least ten glasses of water. You know, the biology book says this is called photosynthesis." "So that seed... What's going on with it now?" "It sprouted, and small branches grew out. On each branch, there was a world hanging on it!" "The world?" "Yes, these worlds are different. There is the technological world of cyberpunk, the elemental world of wind, fire and lightning, and the wild world where alien beasts are rampant... The only thing in common is -" "People in these worlds call me... God!" The chief doctor of the psychiatry department nodded seriously after listening. Write on the medical record - [Patient: Shen Ming] [Preliminary diagnosis: severe obsessive-compulsive disorder] Until one day. Huge starry fleets cover the sky, elves burning with flames burn the sea, and behemoths thousands of meters high trample through mountains... The entire earth is plunged into chaos, and nearly 10 billion humans are facing a formidable enemy. A call sounded at this moment: "God, are you there?"