Kimura started her professional wrestling career in the JWP Joshi Puroresu promotion, making her debut on July 20, 2003. She remained with the promotion in a small role for over two years, before quitting in late 2005 and becoming a freelancer. During the following years, Kimura made appearances for promotions such as Ibuki, Oz Academy, and Pro Wrestling Wave, while also making her debut in death matches. Kimura's first major role in professional wrestling came in the NEO Japan Ladies Pro Wrestling promotion, where, in 2008, she became the leader of the villainous Revolucion Amandla stable, which also included Tomoka Nakagawa and Atsuko Emoto, with whom Kimura held the NEO Tag Team Championship. In October 2009, Revolucion Amandla also made a tour of Mexico. Kimura remained a regular for NEO until the promotion folded in December 2010, with her stable being involved in major storyline rivalries with Las Cachorras Orientales and Passion Red. In May 2012, Kimura began working regularly for the World Wonder Ring Stardom promotion, where she joined the villainous Kawasaki Katsushika Saikyou Densetsu Plus One stable. However, after losing a battle against Natsuki☆Taiyo for the leadership of the stable, Kimura quit the stable on August 5 and formed the new Kimura Monster-gun stable with Hailey Hatred. From August 19 to September 30, Kimura took part in the first ever 5★Star GP, making it to the finals, before losing to Yuzuki Aikawa. In September, Kimura also began working regularly for the Ice Ribbon promotion, culminating on her and Sayaka Obihiro winning the International Ribbon Tag Team and Reina World Tag Team Championships on December 19, 2012, the latter title owned by the Reina X World promotion. On January 14, 2013, Kimura received her first shot at Stardom's top title, the World of Stardom Championship, but was defeated by the defending champion, Nanae Takahashi. On March 17, Kimura and Hatred defeated Kawasaki Katsushika Saikyou Densetsu to win the Goddess of Stardom Championship. The following November, Kimura teamed with two other Monster-gun stablemates, Alpha Female and The Female Predator "Amazon", to win the Artist of Stardom Championship. During November, Kimura also teamed with Act Yasukawa to win the 2013 Goddesses of Stardom Tag Tournament. On January 26, 2014, Kimura became the first two-time Goddess of Stardom Champion, when she won title alongside Alpha Female. On May 4, Kimura teamed with Command Bolshoi to defeat Rabbit Miu and Tsukushi for JWP Joshi Puroresu's vacantDaily Sports Women's Tag Team and JWP Tag Team Championships. On October 15, Kimura and Tomoka Nakagawa, the reformed Revolucion Amandla, won Pro Wrestling Wave's 2014 Dual Shock Wave tournament and the Wave Tag Team Championship. On January 18, 2015, Kimura formed a new version of Monster-gun, named Oedo Tai, with Act Yasukawa, Dragonita, Heidi Lovelace, Hudson Envy and Kris Wolf. On April 11, 2015, Kimura made her American debut for Shimmer Women Athletes. On August 7, 2016, Kimura defeated her daughter Hana in the first match between the two. Following the match, she announced she would be holding her retirement event on January 22, 2017. Kimura went on to win a championship with her daughter, when the two, along with Kagetsu, won the Artist of Stardom Championship on October 2, 2016. Kimura held her retirement event, entitled "Last Afro", on January 22, 2017, in Korakuen Hall. In what was advertised as her retirement match, Kimura teamed with her daughter Hana and husband Isao in a six-person tag team match, where they were defeated by Aja Kong, Meiko Satomura and Minoru Suzuki with Satomura pinning her for the win. Afterwards, Kimura wrestled one more bonus match against her daughter, refereed by her husband. Hana pinned Kyoko with a big boot to end her career.
Personal life
In 2016, Kimura married professional wrestler and mixed martial artist Isao Kobayashi, better known simply as Isao. Her daughter Hana was also a professional wrestler until her death in 2020.
Kimura made her mixed martial arts debut against Megumi Yabushita at Pancrase Impressive Tour 11 on. She won the fight by TKO after Yabushita suffered an ankle injury in the first round. Kimura next faced Mizuho Sato at Pancrase Progress Tour 1 on. The match ended in a unanimous draw. On, Kimura faced South Korean Kim Sung Eun at Pancrase Progress Tour 4, winning the match via TKO in 61 seconds. On, Kimura suffered her first MMA loss when she was submitted by Rin Nakai at Pancrase Progress Tour 6.
