A few moments later, the fish are roasted. I bite one of them. "Whoa! This is delicious. I haven't tried food like this before, but it's really good, though it sounds like food of the ancient people. Gosh! I'm starting to adopt their way of living. This isn't right anymore. I'm turning into an ape or the early species of homo sapiens. I should go back to the city as soon as possible before I totally forget who I am.""H—hello," a man's voice behind me said.

I suddenly stood up. "Who are you?" ...