 On April 24, 2013, Akino defeated Chikayo Nagashima to win the Oz Academy Openweight Championship for the first time.After a record-breaking eighteen-month reign, she lost the title to Tsubasa Kuragaki on October 13, 2014.She regained the title on May 17, 2015, only to lose it to Mio Shirai on June 7.