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!!!”