GHC Junior Heavyweight Tag Team Championship
Choukibou-gun began 2015 very well. On January 10 at the New Year Navigation show, Taniguchi, Kenoh, and Ohara lost a six-man tag to Yoshihiro Takayama, Akitoshi Saito, and Genba Hirayanagi while Morishima defeated Mitsuhiro Kitamiya in the fifth match of Kitamiya's series. Following the match, Kitamiya would shockingly join Choukibou-gun. On January 18, Kenoh and Ohara made a third successful title defense by defeating No Mercy's Daisuke Harada and Genba Hirayanagi. On March 15, Kenoh and Ohara lost the GHC Junior Heavyweight Tag Team Championship to Suzuki-gun's El Desperado and Taka Michinoku in a three-way match, also involving Harada and Hirayanagi.On March 28, Kenoh signed a contract with Noah, officially ending his affiliation with Michinoku Pro Wrestling and Ohara also signed a contract and officially ended his day of freelancer. On April 11 Ohara and Kenoh received a rematch for the GHC Junior Heavyweight Tag Team Championship but they lost. On April 21, Morishima announced his retirement from professional wrestling due to issues with his blood. Following Morishima's retirement from professional wrestling, Taniguchi entered the GHC Heavyweight Championship picture in May 2015, challenging Minoru Suzuki. On June 9, Taniguchi was unmasked during a tag team match, where he and Yoshihiro Takayama defeated Suzuki and Takashi Iizuka. Taniguchi received his title shot on June 15, but was defeated by Suzuki.On July at Global Junior Heavyweight League Ohara and Kenoh were in separate blocks, Kenoh on block A and Ohara on Block B. Neither Kenoh or Ohara advanced to the finals, though Kenoh finished his block with 8 points and Ohara with 6 points. On August 22, Ohara and Kenoh received a rematch for the GHC Junior Heavyweight Tag Team Championship, but were again defeated by Desperado and Michinoku. On December 24, Naomichi Marufuji dismantled all of Noah's stables, including Choukibou-gun, in order to unite the promotion against Suzuki-gun.