The backyard was "set on fire" by the Emperor of Heaven, so Xiaohua reluctantly accepted the task assigned by the Emperor to find his wife and children.
The mission is all in the clouds! The important thing is to find a wife and children! Find a wife and children!
But the Emperor of Heaven had no intention of letting Xiaohua go back and sealed Xiaohua's memory.
Sixteen years later, Xiaohua successfully broke through the seal and opened his way back to immortality.
I accidentally learned the truth about the lower world back then...