Hogwarts: My Own Wizarding World

Fourteen years have passed since Matthew traveled to the world of Hogwarts. During his summer vacation, he unexpectedly acquired a metal disc that allows him to travel to another world. This world has a completely different system of magic. The wizards here are not hidden, and even the wizarding organization rules the land. Matthew travels back and forth between these two worlds, merging the two magical systems. He will control his own destiny and even become a god! Matthew will become the driving force of history, bringing tremendous innovation to both worlds! ... (Not systematic, not saintly.)