The MMA trainer, who ended up in the body of a Japanese fugitive boy and became the heir to the Shadow clan, continues his war against the murderers of his parents, the Yakuza mafia and scum, among the highest aristocracy of the Nippon Empire. Against him are powerful clans with billions of dollars in turnover, private armies and the latest technological developments. Is it possible to survive and win this war with a handful of like-minded people? It is possible if they are shinobi - elusive ninja warriors capable of successfully completing the most incredible and dangerous missions.