The Overpowered Gamer (Harry Potter AU)

AU. On one ordinary day something extraordinary happens. A nearly ten years old Harry Potter wakes up with the power of the Gamer. He is chosen to be the first gamer of the multiverse. And he decides to become lvl 100 before he even begins Hogwarts. Ambitious much? At least now we can guess his Hogwarts house. Harry/multi. Incest! Grey but good MC. — Description from novelcodex.org