Yoshihiro Takayama
In 2004, he joined Pro Wrestling ZERO1-MAX, where he was one of the strong native competitors along with (fellow Hamaguchi Dojo classmate) Shinjiro Otani. He has feuded with old team mate Yoshihiro Takayama, resulting in many bloody battles and disqualifications. On March 8, 2007, he and Manabu Nakanishi lost the ZERO1-MAX Intercontinental Tag Team Championship to Yoshihiro Takayama and Kohei Sato. On March 31, 2007, he defeated Steve Corino for the AWA Superstars of Wrestling World Heavyweight Championship, becoming a three-time champion. Nearly seven months to the day Omori won the AWA World Heavyweight championship, he would lose the title to Masato Tanaka. On August 16, 2008 Omori announced that he was leaving ZERO1-MAX and taking a break from pro wrestling.