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.

• Studio 3Hz
• infinite
• Ayaka Nanase
• Haruka Tomatsu
• You Taichi
• Hiroshi Tsuchida
• Eizo Tsuda
• Keiji Fujiwara
• Aki Toyosaki
• Kohsuke Toriumi