Medieval Saint

Due to the massive destruction of humans, the ecological environment of Blue Star began to change itself. Plants were no longer everywhere, and the earthy land was replaced by yellow sand. The originally inexhaustible water resources became very precious at this time. Aliens, witches, black-light demons, and previously unheard-of existences appeared one after another. Humanity began to be forced to shrink its living territory. After this situation lasted for a century... The Middle Ages arrived. Muir, the supreme theocratic son of the Church State, left the Church State alone and stepped into the endless yellow sand in order to find a way out of this world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.