Mach Mechanical Beast Jinrai

Synopsis

Mechanical Beast Jinrai S1 bombards the city from the air. Jinrai S1 possesses fearsome power, flying at Mach 5 and attacking enemies with 2 million volts of lightning. Even Mazinger Z, which sortied, could only barely prevent damage to the city. Since then, Koji spends his days thinking about how to defeat Jinrai S1, and even neglects his test studies. And finally, the time comes to settle the score. Even Jinrai S1, which seemed invincible, had only one weakness.