Nagisa Tatsumi was born in 1965. After graduating from Ochanomizu University, she worked as a journalist and editor before going freelance. Her writing focuses on Japanese lifestyle and culture, and her no nonsense style has earned her a devoted readership. In 2008 she set up Kaji Juku, a training school for homemakers in Tokyo. Since 2016 Tatsumi has been the Director of the Lifestyle Philosophy Institute. She has written several books, many of which have been translated.