page_title: Mio Shirai
section_title: Four-way affiliation (2014–2015)
hierarchical_section_title: Mio Shirai / Professional wrestling career / Four-way affiliation (2014–2015)
caption_attribution_description: English: Japanese professional wrestler, Mio Shirai. Aug 30 2015, Ice Ribbon Korakuen Hall. 日本語: 紫雷 美央 2015年8月30日 アイスリボン後楽園ホール大会
context_page_description: Mio Shirai is a Japanese former professional wrestler and current professional wrestling referee. She started her career in March 2007, working alongside her sister Io Shirai on the Japanese independent circuit for promotions such as Ice Ribbon, JWP Joshi Puroresu and Pro Wrestling Wave. In June 2010, the Shirais came together with fellow freelancer Kana to form the Triple Tails stable as part of which they began working most notably for Smash. After Io left the stable the following year, Mio and Kana continued working together as the tag team Triple Tails.S. Shirai remained a freelancer until January 2014, when she signed a four-way contract with Ice Ribbon, Oz Academy, Pro Wrestling Wave and Union Pro Wrestling. She retired from professional wrestling due to neck injuries in September 2015 at the age of 27, after which she started working as a referee.
context_section_description: On January 22, 2014, Shirai held a press conference with the heads of Ice Ribbon, Oz Academy, Pro Wrestling Wave and Union Pro to announce that she had signed an unprecedented four-way contract with the promotions and was now officially affiliated with all four of them. As a signing gift, Shirai was given the right to book Oz Academy's March 2 event. She punished Seikigun's rivals Chikayo Nagashima, Hikaru Shida, Kagetsu and Sonoko Kato by placing them in unfavorable matches, named stablemates Mayumi Ozaki and Yumi Ohka the number one contenders to the Oz Academy Tag Team Championship and gave herself a shot at the Oz Academy Openweight Championship. Meanwhile, Shirai also earned another shot at the Union FTE World Championship, challenging Cherry after her first match under a Union Pro contract on February 11, where the two defeated Kaori Yoneyama and Sareee. On March 2, Shirai failed in her attempt to capture the Oz Academy Openweight Championship from Akino. Shirai also failed to win gold on two occasions in another one of her new home promotions, Ice Ribbon, unsuccessfully challenging Cherry for the Triangle Ribbon Championship on March 1 and Muscle Venus for the International Ribbon Tag Team Championship alongside Miyako Matsumoto on March 9. On March 23, Shirai also failed to win the Union FTE World Championship from Cherry. On May 15, Shirai and Kana produced Triple Tails.S' final independent event before officially dissolving the partnership, which featured a main event tag team match, where Shirai and Kayoko Haruyama were defeated by Kana and Arisa Nakajima. From May 5 to July 4, Shirai took part in the round-robin portion of the 2014 Catch the Wave tournament, finishing with a record of two wins, one draw and three losses, failing to advance from her block after losing to Misaki Ohata in their final round-robin match.
  On August 1, Shirai held a press conference to announce that on September 11 she would be producing her own event at Shinjuku Face under the banner of "M.I.O" (Mission in Odate), which would feature her wrestling her first deathmatch. On August 31, Shirai defeated Ladybeard to become the new Union FTE World Champion. On September 11, Shirai wrestled twice during her first M.I.O event; first she defeated Misaki Ohata and Tsukasa Fujimoto in a three-way match between the Kuros members and then, in the main event, teamed with Isami Kodaka and Maki Narumiya in a six-person "Barbed Wire Board Deathmatch", where they were defeated by Mayumi Ozaki, Shuu Shibutani and Yuko Miyamoto. On September 15, Shirai and Misaki Ohata unsuccessfully challenged Sakuragohan (Mika Iida and Kyusei Sakura Hirota) for the Wave Tag Team Championship, which also forced them to start the upcoming 2014 Dual Shock Wave from the first round. On September 23, Shirai and Ohata defeated Tsukasa Fujimoto and Yumi Ohka in the first round of the tournament. On October 1, Shirai and Ohata defeated Dynamite Kansai and Fairy Nipponbashi to advance to the semifinals of the tournament, where, later that same event, they wrestled Kyoko Kimura and Tomoka Nakagawa to a fifteen-minute time limit draw. Ohata was then defeated by Kimura in an overtime singles match and, as a result, both she and Shirai were eliminated from the tournament. On November 26, Kuros won Wave's second annual One Day 6-Person Tag Tournament, defeating Cherry, Meari Naito and Shuu Shibutani in the finals and, as a result, earned the right to produce the December 14 Wave event. On December 21, Shirai challenged Hikaru Shida for both the Wave Single Championship and the Revolution Championship Wrestling (RCW) Women's Championship, but the match ended in a thirty-minute time limit draw, resulting in Shida retaining her titles. Two days later, Shirai made a surprise appearance for World Wonder Ring Stardom, confronting her sister Io and challenging her to a match at the second M.I.O event on February 14, 2015. On December 28 at Ice Ribbon's biggest event of the year, Ribbon Mania 2014, Shirai made her first successful defense of the Union FTE World Championship against Tsuku
caption: Shirai as one half of the Wave Tag Team Champions in August 2015
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