He Got an SSSSSSSSS-Rank PLANET as His Starting Territory... 20x the Size of Earth!-8

What the story is about

Zhou Yun is a powerful territory lord who commands an expanding army of monster residents and uses their abilities to confront Calamity Beasts pouring from dangerous Rifts. As humanity struggles to hold its defensive lines, he turns his territory’s strength, coordination, and resources toward pushing back the threat at its source.