Korin Tower is a tower on Earth, where Korin lives. The tower is huge and very tall, it is about a day and 1/2 worth climb. The tower is a distance away from South City, in a dense forest. At the bottom of the tower lives Bora and his son Upa. When Upa is 19 Bora passes, he asks Asper to move in with him. So thus they start their family there.