History
The Shinpu Okubetsu Kogeki Tai were huge Japanese WWII robots, also called Kamikaze Robots. They were built with highly advanced technology for their time. They were programmed to lock on targets and their gyros were superior to current technology. After Hiroshima the robots were locked up in an underground facility and forgotten, until Kenichi Nakadai's son Kanaye discovered his father's secret dossier concerning the secret status of robots and gave it to the Yakuza in exchange for the elimination of his family for inherit their assets and cover their debts from gambling and cocaine use.[1]