Mech: Demon Angel

Jiang Baiming accidentally traveled to a different world. And he soon discovered that the world view of that world was a bit like the first industrial revolution. But there is one thing that is different. He learned from an accident that there are demons and angels in this world, and if you sign a contract with them, you will gain extraordinary power. And it was in that accident that Jiang Baiming signed a contract with the devil of unknown origin in his body! At this point, a legend begins