Overview
Since their parents died at an early age, Susumu and Yoriko have lived together. Susumu is now 33-years-old and Yoriko is 40-years-old. Both of them have yet to marry. They are like most siblings and they rely on each other. One day, Susumu and Yoriko receive a letter that is sent to the wrong address.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 32 | 43 | |
 | 51 | 62 | |
 | 23 | 34 | |
 | 45 | 55 | |
 | 36 | 47 | |
 | 42 | 53 | |
 | 23 | 33 | |
 | 38 | 49 | |
 | 39 | 50 |