As a young boy, Kenichi Kokuho wandered off into the mountains and was presumed lost forever. Little did anyone know that he had been taken in by a foster father and raised in the wilderness. When he turned 15, his foster father revealed the truth about his upbringing and Kenichi decided to venture into the civilized world where his biological parents reside. The sights and sounds of the town left Kenichi feeling amazed and bewildered. While his family was overjoyed to have found their lost son, they were stunned to see how he had become uncultured and vastly different from other children his age. As he starts a new life, his rough nature and hardened demeanor causes problems in the town. Kenichi has his own unique way of dealing with things, but it's difficult for most people to comprehend his methods. Can he adapt to civilized society?