Now I see.
It wasn't just a game name but a real-deal alternate world indeed. I am so blind all of a sudden by these facts and I am not sure why.
"If you are wondering why you didn't suspect anything is due to the tattoo on your neck, the Nexus. A variation of spells bundled together and one of the spells that have been given to me by the ancient, allowing me to do what I needed to do and that includes mind manipulation. Who would have thought it was just that effective?"
"What is your reason for making this alternate world a game in the first place? Isn't keeping this world a secret to you more beneficial than keeping it in public?"