Takuya Arima is a young student whose father, a historian who has conducted various researches, disappeared recently. During summer vacation, Takuya receives a peculiar package from his missing father, along with a letter containing information about the existence of various parallel worlds. At first, Takuya doesn't take it seriously, but soon he realizes that he possesses a device that allows him to travel to alternate dimensions. Is his father alive, after all? If so, where is he?
- Travel between parallel worlds using a Reflector device, employs a limited number of stones to mark a certain position as a returning location
- Retrace steps and go to an alternate universe to the time you've used the Reflector stone
- Implemented an original system called Automatic Diverge Mapping System, which displays a screen that you can check at any time to see the direction in which you are heading along the branching plot lines