Making his debut as Mexico Arena Coliseo as a graduate of the prestigeous Toryumon school in 2002, after returning from Mexico, he was mainly active Dragon Gate promotion

He moved to Pro-wrestling Noah in 2006 and defended the GHC Junior Heavyweight championship a record 10 consecutive times.

He went on to participate in “BEST OF THE SUPER Jr. XVII” in 2010 and in 2016 he participated in “SUPER Jr TAG TOURNAMENT”, alongside ACH, winning second place.

IN March 2018, he left Pro-Wrestling Noah

Whilst masked under the guise of the BONE SOLDIER, he attacked Will Osprey, who had just defended the IWGP Junior Heavyweight Championship against KUSHIDA, at “Wrestling Dontaku 2018” held at the Fukuoka International Center on May 4th. Tama Tonga announced in-ring, that Ishimori would be joining BULLET CLUB as its newest member.

He then made his first appearance in 8 years in the BEST OF THE SUPER Jr. tournament, advancing with a purpose until he found himself in the final of the competition, facing off against Hiromu Takahashi. Although he fought with his heart and soul in a gruelling 30-minute clash, he was defeated.

Alongside Tama Tonga & Tanga Loa, he competed for the NEVER Openweight Six-man tag-team Championship at the Nippon Budokan event in August that year. Matt Jackson & Nick Jackson & Marty Scurll were defeated and won the victory and the team became the 18th champions.

He would successfully defend the title against the team of Juice Robinson, David Finlay & Ryusuke Taguchi on September 15th 2018 and against Toru Yano, Togi Makabe & Ryusuke Taguchi on January 5th.

At Wrestle Kingdom 13, he defeated KUSHIDA to become the IWGP Junior Heavyweight Champion for the first time in his career.