The Free Spirit Of The Beginning Warrior

An event has taken place that has added action to everyone's life. But what if we don't want action and we are given one more chance? When Yun took a wrong turn on his way home from work, his life was teleported to a prehistoric universe. Not only did he become emperor of a kingdom he didn't want, but he had to fight non-stop to protect it. But Yun is given the chance he always wanted. And he has to sacrifice his friend in order to save his chaotic life.