He is the Holy Son of the Holy See, but a master of black magic.

"There are rumors that your rise to power was entirely dependent on kneeling down and licking Her Majesty the Queen. What is your comment on this?"
One day in the 21st century, a reporter from "Wizard's Prophecy" interviewed the newly promoted Holy Son of the Holy See, Andy Hall.
"I don't want to judge."
Faced with the question, Andy answered without changing his face, "Because that's the truth."
…
Note 1: The protagonist does not lick the dog
Note 2: The layout is flowing. The plot in the first twenty chapters is all foreshadowing. It is not depressing or cliche. The protagonist is invincible. The following chapters will explain it in sequence.