Tsutomu Satou (佐島 勤, Satō Tsutomu) is a Japanese light novel writer. He is affiliated with Straight Edge. He is best known for writing the light novel The Irregular at Magic High School.
Known For: Writing
Birthday:
Place of Birth: Japan
Also Known As: 佐島勤, 佐島 勤, Tsutomu Satō, Tsutomu Sato, さとう つとむ