Harry Potter: Dark Alchemy

Wright accidentally obtained the time travel system and came to the world of Harry Potter that he longed for. He thought he could use the golden finger of the system to punch Dumbledore and kick Tom the Devil, but he didn't expect that this was really just a 'time travel' system. ah! Co-author You can only travel through time? !

The ultimate goal of dark alchemy is to master both matter and magic! --Wright Pass

Also: If a Muggle woman named Rowling asks you about this story, just say you know nothing.