"I don't like how this story ends, so I want to do something about it."
Ning Meng is an ordinary college student. Aside from enjoying Honkai Impact 3rd, he reads when he has free time and occasionally visits a friend's kendo dojo to spar with someone. If nothing unexpected happens, he'll find a good job, get married, have children, and then wait for Death to come knocking... Cut. That's where it ends.
"Your mission is simple: save the world."
"I really shouldn't have played that game that day..." Ning Meng said, covering his face. "Whatever. Principal, where's Himeko? Get her back here to help me write lesson plans. Kiana came in last again..."