Nanomachines in Moorim RAW novel

Void, Void, and Nanomachine.

Rolled in Wulin. Without emptiness.
But now it’s different.
Yi Han falls into Wurim, a branch of a parallel universe.
After losing his nanomachine and living in the shadows, he regains it at the crossroads of life and death.
Now, he tries to return to his original dimension, Earth, but the bond he has been entangled in in Wurim comes to him.