Meng Fan has 180 days left to live. When he returned to his old house in Jiangxi and was waiting to die, he found a miniature sandbox among his grandfather's relics - he could create the world in it and control the flow of time. The price was that every time a civilization was destroyed, he would personally bear the fear and despair of those creatures before their death.
From the creeping tribe submerged in a glass of water, to Emperor Sui kneeling down and asking "What did God see in us?"; From Shen Nong losing his sight after tasting grass and saying "Someone is crying in the sky", to the stone monkey smashing the sky with a punch and calling him out to drink. Meng Fan managed to stay alive by dying again and again, but during the long period of observation, his chest was opened bit by bit by the creatures who called him "god".
In the end, two options are presented: detonate the sandbox in exchange for recovery, or sacrifice yourself in exchange for the independence of the sandbox. He chose the fourth path - to turn all the energy into the tree of reincarnation, so that every civilization can last forever with memory. The price is that the rest of your life will always be locked in the last thirty days, repeating the cycle and never reaching the end.
On the threshold of his old house, he folded his medical records into a paper airplane for the last time and flew into the sunset.
