Submarine 707F

The world 25 years after the popular manga "Submarine 707"... Captain Hayami and others are getting older and setting off on an unknown voyage with a new generation! The realistic depiction of submarine navigation, sonar, torpedoes and other equipment has had a great influence on future marine works! Masterpiece Satoru Ozawa's masterpiece revives in electronic version! Alternative title: Submarine 707F; Submarine 707 Fusion