It was a time of troubled times, the six countries were watching and fighting each other, and different beliefs were constantly emerging. Some people keep fighting to complete the reunification; some people hold the sword tightly in order to create a new era; and some people resolutely start killing in order to protect the people around them, the little happiness or the nation they love.
Of course, there are also people who hate blood and stay away from it, living aloof from the world and living in their own version of happiness.