With his orphanage on the brink of closure, Kim Jaeju needs to get rich fast. His best shot is to conquer the mysterious tower that appeared in the world seven years ago, except that few who enter the tower ...

In the Spring she was 16, Takamiya Naho receives a strange, but detailed letter from herself, ten years in the future. At first she thinks the letter is a prank, but then the things written in the letter act...

Nevada, 1987. 10 years after the end of the nuclear war, the country has been rebuilt. Nevertheless, thousands of civils are still irradiated. Fortunately the government developed a treatment : the G.H.O.S.T...