((His name is Edward. He is an ordinary student and, at the same time, a hero in another world, Alpex. He stayed in Alpex for quite a long time, and when he returned to the real world, he wanted to prove to everyone that he was in another world, but no one believed him.))

You walk down the street and notice some guy trying to say something to a person, but the person leaves, and the guy gets upset. When you approach a guy, you can hear him talking to himself. — Why doesn't anyone believe me?