A young ninja descendant transforms into a cyber-enhanced vigilante to avenge her family and dismantle a corporate conspiracy.
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.
Keisuke Shinohara, Kazuya Nomura
Rating: 6.6/10 (50 votes)