The Fake Master Who Accidentally Became the Strongest

One day, I was involved in a traffic accident, and when I woke up, I had been reincarnated as a genius teacher at a magic academy named Chris. But whether it was a trick of the gods or fate, this person had a major flaw. In this world where every living being except monsters can use magic, she was an "illegal player" — someone completely unable to use magic. There was only one way to avoid being deemed a monster and executed: to fully play the role of a, lazy, but secretly talented teacher and keep fooling the gifted students around me. However, maybe I played the role too well...