Overview
Rikka is a ninja descendant. Her grandfather Hyoe is the last chief of their ninja clan and her father is a cyborg researcher. Both are killed when a weapons' company raids his lab to use his research. Rikka sets out to avenge their deaths.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 25 | 31 | |
 | 29 | 35 | |
 | 25 | 31 | |
 | 47 | 53 | |
 | 71 | 77 | |
 | 55 | April 12, 2020 (55) | |
 | 32 | 38 | |
 | 46 | 52 | |
 | 59 | 65 | |
 | 53 | 59 |