I know, it's really quite crazy. Has anyone told you about what's going on? We're in an alternate universe. It's 2009. We were picked up and put here from .. whenever in our time line.
There's a school here like Hogwarts, but it's open to everyone who's special, not just wizards and witches. And muggles know about us.
So you replaced someone then? It happens. Who did you replace?