The History of Interstellar Nanny's Struggle

In the year 1400, a boy who had been frozen for a year unexpectedly woke up. From then on, the boy's secret operation to change his soul began. As the youngest son of General Tu of the new empire, why did Tu Mi suffer a mental breakdown a year ago? Why was Major General Bai Ye, the son of the New Empire's Bai Yuan, sent to a marginal planet? Why did the ants on the planet on the edge of the wormhole suddenly rise up and invade the new empire? Tu Mi, a soldier who traveled from the earth to the new empire and resurrected his corpse, watched how he dealt with his parents, teachers, classmates, instructors,... And Major General Bai Ye, watched how he defeated monsters step by step, upgraded and made friends, and watched how he led a group of monsters to travel across the stars.