After Returning from the Army, I Became a College Counselor

Levi traveled to the Blue Star in the parallel world, and accidentally became a member of the Galaxy Army, fighting endlessly with many alien races in different spaces. Ten years later, after returning from the army, he finally set foot on this familiar yet unfamiliar land. "The job placement position is - university instructor?" This former member of the Guards of the Bone Defender Legion was a little bit dumbfounded when facing the position he was assigned to. How could such an ignorant and lawless boy like me one day become a college clique?