Hikaru Sato
On January 15, 2011, Sawa returned to Westside Xtreme Wrestling, when he and Hikaru Sato unsuccessfully challenged Oberhausen Terror Corps (Bad Bones and Carnage) for the wXw World Tag Team Championship. The following day, Sawa entered the Ambition 2 tournament. After wins over Tommy End and Hikaru Sato, Sawa was defeated in the finals of the tournament by Rico Bushido. Sawa returned to Kaiju Big Battel in on October 14, 2011, taking part in an event in Brooklyn, New York.