Overview
While celebrating with her friends in her new cheaply rented apartment on the thirteenth floor of a building, the young Sayaka unexpectedly jumps off the balcony committing suicide. Her mother goes insane and her older sister, Mariko, decides to investigate the mysterious death of her sister.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 27 | 45 | |
 | 41 | 59 | |
 | 25 | 43 | |
 | 31 | 50 | |
 | 57 | 75 | |
 | - | - | |
 | 29 | 47 | |
 | 35 | 53 |