Overview
A young student believes that the spirit of an alien from another planet has gone back in time, taking over his body to infiltrate and study humanity in order to find the reasons why our civilization is doomed to future destruction. He replicates the spirit of another alien in a girl that he meets, and together they use their video cameras to document modern urban Japanese society.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 17 | 45 | |
 | - | - | |
 | 41 | 69 | |
| 17 | 45 | |
| - | - | |
| - | - | |
 | 46 | 75 | |
 | 38 | 66 | |
 | 38 | 66 | |
| - | - |