The story takes place on the earth in the future. Many years ago, the secret of the "Arctic Ice Wall", an unsolved mystery of the world that has troubled mankind for many years, was solved. At the same time, mankind was attacked by advanced civilizations. As a result, most humans on the earth had to move to other planets. This also accelerated the development of human civilization and allowed mankind to enter advanced civilization.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
