Type: time travel, slow pace, first-person perspective realism, logic.
The mysterious gift I received on my birthday turned out to be the key to the devil's world.
My unique ability after time travel and my unique talent helped me reach the top of the demon world.
Demons and iron corpses are always threatening human existence.
No one knows whether human beings are united as one or whether interests come first.
Okay, great potential
Good book, so beautiful