The entire world is collectively known as the Wilderness of Beasts, and 95% of the land is occupied by wild beasts, exotic beasts, and ancient mythical beasts. The Black Stone Tribe where the protagonist A Shi belongs is at the very edge of the human survival circle. It is backed by the Black Stone Cliff and surrounded by mountains and forests of alien beasts on three sides. It is a true "wild island". Even news from other human tribes is rarely transmitted. The story surrounding the protagonist also begins in this wild land...
