Kohei Sato
When he returned to Japan he joined Pro Wrestling ZERO-ONE, debuting on September 1, 2001 at the ZERO-ONE "FIRE FESTIVAL 2001" versus Igor Meindert. in a non-tournament match. From 2002 to 2004, he would be out of pro wrestling with an unknown ailment. Returning in 2004, he would begin to regularly team with Kohei Sato winning the NWA Intercontinental Tag Team Championship in 2005 and 2006.