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.
- Created by
- Kazuya NomuraKeisuke Shinohara
- Origin
- JP
- TMDB rating
- 6.6 / 10 · 50 votes
