Sainowaki Keiko

Editor and writer. Born in Tokyo in 1978. After earning a degree in literature at the University of Tokyo, worked for the publisher Bungei Shunjū, where she edited magazines including Sports Graphic Number and rose to deputy editor in chief of the monthly Bungei Shunjū. Went freelance in 2017, since when she has focused on nonfiction fields including sports, culture, and economics.