Usui was born in Tokyo Metropolis on December 28, 1989. After graduating from Waseda University, she retired from playing career. However, after 1 year blank, she restarted playing career at Sfida Setagaya FC in 2013. She moved to Urawa Reds in 2014. She played 44 matches in 3 seasons. In 2017, she moved to Nojima Stella Kanagawa Sagamihara. She retired end of 2018 season.