In late 2010, Michinoku returned to New Japan and began teaming up with Satoshi Kojima, Nosawa Rongai and Taichi to form Kojima-gun in early 2011. On February 20, 2011, at The New Beginning, Michinoku took on Prince Devitt for the IWGP Junior Heavyweight Championship, which Devitt retained. Michinoku teamed up with Taichi to take on Devitt and Ryusuke Taguchi for the IWGP Junior Heavyweight Tag Team Championship and lost. After Satoshi Kojima lost the IWGP Heavyweight Championship to Hiroshi Tanahashi at Wrestle Kingdom V, Kojima suffered another big loss against longtime rival Togi Makabe on May 3 and following the match, Michinoku and Taichi entered the ring and attacked Kojima, who quickly took care of both of them. This led to the surprise return of freelancer Minoru Suzuki, who appeared behind Kojima and locked him in a sleeper hold, before leaving the ringside area with Michinoku and Taichi, who proclaimed Suzuki as their new leader and renamed the stable "Suzuki-gun". Michinoku participated in Best Of The Super Juniors XVIII and gained eight points but not enough to progress to the semifinal. Michinoku and Taichi became a tag team in New Japan's junior heavyweight tag team division. On September 11, 2011, the pair would take on Apollo 55 for the IWGP Junior Heavyweight Championship and for the second time running lost. At Power Struggle, Michinoku for the second time took on Devitt for the IWGP Junior Heavyweight Championship and for the second time lost. At Wrestle Kingdom VI in Tokyo Dome, Michinoku and Taichi teamed up with Atlantis and Valiente to lose to Jyushin Thunder Liger, Kushida, Máscara Dorada and Tiger Mask.