Survival Story of Waste Wood College

An unlucky retired demon hunter is about to spend the rest of his retired life in a certain pheasant university. He was ordered to pretend to be an ordinary person and survive on campus. Before entering the campus, he was convinced that this was just an ordinary pheasant university and that he would spend the rest of his life in an ordinary way. And many years later, facing the camera, he couldn't help but burst into tears. "I'm so stupid, really..." (What secret is hidden behind the principal? Why did the young demon hunter lose his powers overnight? Is the hero who saves the world a strong or a weakling - all the answers can be found in "Metamorphosis" at 8 o'clock tonight)