Mystery: My Encounters with the Celestial God

What would happen if a true Outer God, who possesses little humanity, appeared on the battlefield between the Celestial Venerable and the Primordial One?
What changes will occur in this world when the Primordial Being, the Celestial Venerable, and the protagonist become the first three-in-one hot pot?
What kind of powerless roar would the current old ghost utter when he encounters the current new ghost?
When Lao Gui watches helplessly as his competitors freely enter and exit Source Castle, will he have the illusion that he's being NTR'd?
Welcome to the Lord of Mysteries fanfiction series, "My Encounters with the Celestial God."
This book is also known as, One Hundred Ways to Persecute Old Ghost, Klein's Childcare Diary, How Could an Outer God Like Me Have a Conscience, and Klein Wants to Drink Olmir Red Wine.
This is the story of a god who gradually finds himself!