One summer day, the main character receives a letter from an unknown sender. The contents of the letter were to the effect that on this coming Saturday, we will dig up the time capsule that we buried during our fifth grade seaside school.
| Actor | Role |
|---|---|
 Nanako OkochiNot listed | Not listed |
 Takeshi KimuraNot listed | Not listed |
 Hitomi MiwaNot listed | Not listed |
| SShinichiro HongoNot listed | Not listed |
| CChiyomi MatsumotoNot listed | Not listed |
| TTakahiro KusakariNot listed | Not listed |