6.2
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.
Aiaka Nanase , Kharuka Tomatsu , Io Taiti , Khirosi Tsutida , Eidzo Tsuda , Keidzi Fudzivara , Kosuke Toriumi , Aki Toiosaki , Nobuo Tobita , Khiroki Touti
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