in a special return match, which ended in a thirty-minute time limit draw. On October 24, Muto unsuccessfully challenged Kaz Hayashi for the World Junior Heavyweight Championship. On December 12, Muto and Kannazuki lost the F-1 Tag Team Championship to Ryota Hama and Koriki Choshu after a four-year reign. Muto would win the junior heavyweight and heavyweight battle royals at the Korakuen Hall on January 1 and 3, 2011, respectively. At Pro-Wrestling Love In Ryogoku Vol. 12, Muto and Kenso defeated SMOP (Akebono and Ryota Hama) to win the World Tag Team Championship, marking Muto's fifth and final reign with the title. At All Together, Muto teamed with Kenta Kobashi to defeat Takashi Iizuka and Toru Yano in a tag team match. On October 23, Muto and Kenso lost the World Tag Team Championship to Dark Cuervo and Dark Ozz, thus ending Muto's final championship reign in All Japan. Final years and departure (2011–2013) On June 7, 2011, Muto announced his resignation as the president of All Japan Pro Wrestling, remaining in the promotion as an active wrestler and a member of the Supervisory Board. Muto's decision stemmed from a real-life incident where Yoshikazu Taru assaulted Nobukazu Hirai backstage at an All Japan Pro Wrestling show, which led to Hirai suffering a stroke after competing in a match. Muto took the blame for the incident, which led to All Japan suspending not only Taru, but also Kazuhiko Masada, Masayuki Kono and Minoru Tanaka who were present when the attack took place. After being on the midcard and without a big feud for most of 2011, Muto became the main challenger for Noah's Jun Akiyama, who had won the Triple Crown Championship from Suwama. Muto reunited with Kenta Kobashi at All Together to defeat Akiyama and Takao Omori. Akiyama challenged Muto to a match for the title that took place on March 20, 2012, which Muto eventually lost. On June 1, Muto returned to the United States to make an appearance for Pro Wrestling Syndicate (PWS) in Rahway, New Jersey, teaming with Kai to defeat Anthony Nese and Sami Callihan in a tag team match. In November 2012, Muto and his business partners sold all of their All Japan shares to the Speed Partners corporation for ¥200 million. On June 1, 2013, Speed Partners president Nobuo Shiraishi took over as the new president of All Japan, firing the previous president, Muto's