At regional level she held the OPBF female bantamweight title in 2020.
[2] Okuda suffered defeat in her professional debut, losing via fourth-round knockout to Wakako Fujiwara on 5 April 2015, at the Osaka Prefectural Gymnasium (now called Edion Arena) in Japan.
[3] After compiling a record of 6–2–2 (1 KO), she challenged WBO female junior-bantamweight champion Miyo Yoshida on 13 December 2020, at the Edion Arena.
Yoshida suffered a cut above her right eye in the fifth round due to an accidental clash of heads.
After the cut worsened in the sixth, the referee called a halt to the contest, forcing the decision to rely on the judges' scorecards.