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.

Credits

Kazuya NomuraDirector

Ayaka NanaseRikka Isurugi (voice)

Haruka TomatsuMia (voice)

You TaichiMelissa (voice)

Hiroshi TsuchidaAllen (voice)