The story centers around the communication between a man who abruptly appears in a world 10,000 years in the future and a boy who lives in that world.
| Actor | Role |
|---|---|
 Kai AtoNot listed | Not listed |
 Yoriko DoguchiNot listed | Not listed |
| YYuma TamuraNot listed | Not listed |
| EErina EndoNot listed | Not listed |