Genius professor of magical studies, Min Hae-jun, reincarnates by taking over the body of Lee Jaesang, a high school magic teacher.

“Reincarnation? Sounds great!”

A healthy body, plenty of research opportunities, excellent students—

What could be better?

But then…

“…Wait. Hold on. I’m a dark mage?”

In a world where dark mages are executed on sight,

he must hide his true identity at all costs.