Kubo was born in Osaka Prefecture on December 28, 1966. When she was junior high school student, she played for Takatsuki Ladies FC. The club won the 2nd place in 1979 Empress's Cup. When she was high school student, she played for Nishiyama High School Club. After graduating from high school, she returned to Takatsuki Ladies FC. When she was 23 years old, she got married and retired from playing career.