Reborn as Filch: Playing the Pig to Eat the Tiger at Hogwarts

【Overpowered protagonist】+【Multiple parallel universes】+【play the pig to eat the tiger】 (If you want to read the story set in the next generation, you can jump straight to Chapter 9. The System shows up from time to time.) A handsome 25-year-old young man transmigrates to the world of Hogwarts after suffering a heart attack. But of all people, who does he end up transmigrating as? A Squib, of all things, who has lived for decades and works as the Hogwarts caretaker: Argus Filch. His body is already frail and aged. Just as “Argus Filch,” with the soul of a handsome young man, is considering suicide to see if he can start over, a voice full of hope rings out. “Host’s emotions have stabilized. The Magic God System has been activated!!!”