After Creating the World, I Was Reborn

I created a world, but for various reasons, I was forced to be reborn. When I entered the world of creation again at the age of seventeen, it was completely new. Darkness pervades the world, death fills the world, and no one cares about the lives of others. And under the guidance of a system called sign-in, I gradually uncovered the reasons for rebirth and the cause and effect of the world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.