The story takes place in an unknown corner of the sea, Kirishima. Kirishima is centered on the Kiri no Mori, and is home to four tribes, Shangqing, Xiayu, Zuotian, and Youni. The Forest of Mist is a dangerous and fascinating place. It is rich in resources and has an environment so dangerous that there is no way back. The legendary buried treasure in the center of the Mist Forest turned the four major tribes from peaceful coexistence into constant disputes. This is how the story begins...