Chronicles of the Shanhai Tides

The blood moon rises, and terrifying creatures return. [The 749 Bureau and the Dragon Flame Special Forces make their debut.]

Su Chen fell asleep at work in his old world. When he woke up, he was in this unfamiliar world.

Monsters are everywhere. Then, one day, Su Chen bonds with the System.

No brainpower required, and the protagonist has a dual personality!

This is my first time writing, so please be kind!