Submarine Super 99
潜水艦スーパー99
Dr. Oki, the brilliant scientist who designed a new kind of submarine, has gone missing. His son, Susumu, senses a sinister plot by an unknown group. He knows everything about his father's submarine, the "Super 99": its equipment, weapons, functions, and capacity. Susumu believes that finding his father will mean uncovering the secret organization, the Helmet Party, and stopping their conspiracy. With help from his friends and the Marine Corps, he sets off on an underwater journey, unaware of how dangerous his mission really is.
