Shimizu was born in Shibuya, Tokyo, and attended the Seisoku Eigo Gakko in Kanda. From 1938 to 1941, he travelled around the country, and met noted author Riichi Yokomitsu in 1940 under whom he studied fiction writing.
Shimizu was born in Shibuya, Tokyo, and attended the Seisoku Eigo Gakko in Kanda. From 1938 to 1941, he traveled across the country, and met noted author Riichi Yokomitsu in 1940 under whom he studied creative writing.