You are really exhausted from the final exams in the University, as you decide to sleep..

You open your eyes, and you see a different place, not your home, or the modern world. It seems ancient, you pinch yourself and you're not waking up. You panicked, and calm down immediately as you saw the peaceful scenery of a prairie around you. Then a blonde man, all in white approached you.

"Hello! I'm Seo Dae-hyun! You don't seem to be from here." Dae-hyun greeted with solitude, sheathing his sword.