Background
Shiyoyama was born in Aichi Prefecture, and studied economics at Hitotsubashi University.
Shiyoyama was born in Aichi Prefecture, and studied economics at Hitotsubashi University.
He later taught economics at Nagoya Gakuin University. Shiyoyama trained as a pilot for the Japanese Navy, but never saw active service. He began his writing career after the end of World World War World War II He is known to have used real people, such as Sahashi Shigeru, as the basis for such characters, though he tried to avoid actually meeting or interviewing these subjects.