While in ROH, he and Reyes were also members of Homicide's stable, The Rottweilers. He left the company at the end of 2005 to focus on working in Japan. He returned on January 26, 2007 by defeating Davey Richards. The following evening, Romero walked out on his longtime partner Reyes in the midst of a match against the Briscoe Brothers. On March 31, Romero was introduced as the newest member of the No Remorse Corps. Romero and new stablemate Davey Richards lost to Jack Evans and Naruki Doi. Rocky Romero has been touring with Noah recently and is currently teaming with Atsushi Aoki in the NTV Jr Heavyweight Cup. He also made his debut for Antonio Inoki's new promotion the Inoki Genome Federation defeating El Blazer. On January 26, 2008, Romero teamed with Davey Richards and defeated the teams of The Age of the Fall (Tyler Black and Jimmy Jacobs), Austin Aries and Bryan Danielson, and Brent Albright and B.J. Whitmer in an Ultimate Endurance match to capture the World Tag Team Championship. Romero and Richards later lost the titles to the Briscoe Brothers, and Romero later left ROH in mid-2008 to once again compete in Mexico. He returned at Final Battle 2009, where he won a match against rival Alex Koslov. They had a rematch on March 26, 2010, in Arizona during WrestleMania weekend, which Koslov won. On October 12, 2010, New Japan Pro-Wrestling announced that Romero would return to the promotion in November, teaming with Davey Richards in the Super J Tag League, as a member of the promotion's top heel stable, Shinsuke Nakamura's Chaos. The five-day-long tournament ended on November 13, with Romero and Richards winning their block and advancing to the finals, where they were defeated by their Chaos team mates Jado and Gedo. On May 3, 2011, Romero and Richards unsuccessfully challenged Prince Devitt and Ryusuke Taguchi for the IWGP Junior Heavyweight Tag Team Championship. On October 10, 2011, at Destruction '11, Romero and Richards defeated Devitt and Taguchi in a rematch to win the IWGP Junior Heavyweight Tag Team Championship for the first time. Romero and Richards made their first successful title defense on November 12 at Power Struggle, defeating the team of Kushida and Tiger Mask. On December 23, Romero unsuccessfully challenged Prince Devitt for the IWGP Junior Heavyweight Championship.