The Creator God Was Enslaved by Her Yandere Sister

After being killed by the sickly sister, he traveled to the RPG world, and he was in charge of programming and writing the script by himself.
As an author, I must be omniscient and omnipotent...
What?A baby girl at birth?Hey, this script is wrong!
Did you make a mistake?I am a man!
PS1: The original title of the book is: "The God of Creation, I Was Controlled by My Sick Sister".