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.
Ayaka Nanase , Haruka Tomatsu , You Taichi , Hiroshi Tsuchida , Eizo Tsuda , Keiji Fujiwara , Aki Toyosaki , Kohsuke Toriumi , Nobuo Tobita , Hiroki Touchi
Studio 3Hz
