Treacherous Orders - The Plot to Steal Super Alloy

Synopsis

Baron Ashura, still unable to steal Japanium, received a rebuke from Dr. Hell. Humiliated, Baron Ashura vows revenge on Mazinger Z and Koji, but cannot find an effective strategy. So, Dr. Hell gives Baron Ashura a fake Professor Yumi and Mechanical Beast Hogus D5. Their plan is to capture Professor Yumi, who is heading to a meeting, replace him with the fake, and have the fake steal the Japanium. However, Sayaka sees through the plan because the fake's fingernails are black...!