Mio Shirai
She is currently a member of Aja Kong's Jungle Jack 21 stable along with Hiroyo Matsumoto and Tomoka Nakagawa. 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. On December 11, 2016, following Dynamite Kansai's retirement, Akino officially signed with Oz Academy, ending her days as a freelancer.