Born in Akita Prefecture in 1956. Played basketball for UNITIKA after graduating from high school.
Started photography under the study of Katsusuke Chiba in 1983. She went independent in 1999 and published her work through various magazine and calendar. Her main subjects are the seasons and flowers in the Northern Tohoku region of Japan. She also focuses on the lives of the people in the region as well. In 2008 to 2013, she exhibited her work at "Pukapukan" gallery. From 2010 to 2011, she exhibited her work in Sendai, Tokyo, Sapporo, Akita, and Nagano.
She has published a book "Kosai"