An Invincible Grandpa Took Over My Body from the Start, and Being a Little Overpowered Is Only Fair

[Comedy + Invincible + No Filler + One Female Lead + Horror World + Fast-Paced Plot + No Saviour Complex + Decisive, Relentless Killing] Invading a world of the uncanny from the start. There is a knife, but its blade isn't sharp. In a world crawling with the uncanny and swarming with urban legends, how do you survive? Do you follow the rules or break them? Is the uncanny invading reality, or is reality invading the uncanny? Are the locals NPCs? What path lies ahead for Ming Yuan, who came from a special task force? Where does a life of giving up begin to change? One is Zhong Kui, the Demon-Subduing Sage Lord, led astray. The other is a mortal who has lost all hope in life. What kind of sparks will fly between them?