Born in August 1952 in Nihonbashi, Tokyo. Works in the engineering drafting and construction drawing industry. Studied in Paris, France in 1971. Moved to Seattle, USA in 1976. Graduated from the Department of Environmental Design at Evergreen State College in Washington State, and established a computer-aided design (CAD) company. Temporarily returned to Japan in 1996 for her husband's work. Returned to Seattle in 2000. Served as general manager and editor-in-chief of the Japanese newspaper North American Hochisha, but wrote many articles and essays due to a staff shortage. Discovered the fascinating world of the Japanese language. Returned to drafting using CAD in 2005, and plans to retire soon. Plans to devote herself to writing after retirement. Hobbies include gospel music and shamisen.