r-o-o-k-i-e

Weary Martial God Baek Ri-hyun is summoned from his world to a fantasy realm by Princess Aurelia to fight a Demon King. He refuses, leaving the princess to rely on four bewildered Earthlings granted a mysterious "system." As the Earthlings learn the complexities of the conflict, Baek Ri-hyun seeks peace, but fate may yet pull him back into the fight.