New Getter Robo [OVA]

Huge monsters stalk the Earth! Resembling the ancient legends of Oni, the monsters begin attacking the laboratory where Professor Saotome developing the Getter Robo. A robot so powerful it overwhelms ordinary pilots! Professor Saotome then locates three of the most dangerous men on the planet to recruit as pilots: Ryoma the fighter, Hayato the berzerker and Benkei the giant!