Yuichiro Sawamura was a sea captain and he was killed by a minor boat accident/incident during the Korean War, while on his home from delivering. He has a wife named Ryoko Matsuzaki, two daughters named Umi Matsuzaki and Sora Matsuzaki, and a son named Riku Matsuzaki. He was also close friends with Yoshio Onodera and Hiroshi Tachibana, during the Korean war.

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