Goro Kusaka serves under Captain Youhei Hayami in the Peace-Keeping Navy submarine force. He is a crew member aboard the Japanese submarine 707, engaging in combat operations against the terrorist group USR. Visually, he is distinguished by a bandana and a choker. No details emerge regarding his birthplace, personal history, or motivations. Throughout the two-episode OVA series, his character remains unchanged. His role is consistently supportive within the command structure, with no additional narrative arcs or personal conflicts depicted. No official spin-offs, movies, or extended media featuring this character are documented. Information concerning relationships, specific skills, or contributions beyond his general military service is unavailable.