In the era of great space travel, human beings have established a huge empire among the bright stars! A young man at the bottom of the society accidentally meets a remnant soul who has lost his mana and supernatural powers, and thus gets involved in the civil strife of a foreign civilization. On the interstellar stage. The secrets of the Zhanying clan, the ambitions of the Bojiang civilization, the battle for living space between humans and alien races. In the vast sea of ​​stars, who will rule the ups and downs!