The land of Koslan is a place where time is nostalgic. It is beautiful and rich, and people only need one job to support the future of countless people in the market. When the blue Kos sky turned blank overnight, locals began to panic. ——The door of Koslan has been opened, the light is attached to you, please don't give up. "Ha! You stupid scum! Look how the power of light protects the land it cultivates! ... Oh, there is still time." "Be good."