You'd Think That a Magician Couldn't Use Swords, but You'd Be Wrong! YTTaMCUSbYBW

After retiring from both taekwondo and fencing as an international gold medalist, Yoo SungMoon moves on to study Artificial Intelligence following his graduation from University.

One day, on the way back from the convenience store, he encounters some thugs harassing a young lady. He intervenes, only to be stabbed from behind.

When he wakes up...