 After an eight-month reign, Kodaka lost the DDT Extreme Division Championship to El Generico on September 19.Kodaka regained the title from El Generico on January 3, 2012, only to lose it to his own tag team partner, Yuko Miyamoto, on March 29 as part of an interpromotional rivalry between Union Pro and BJW.On April 1, Kodaka and Miyamoto also lost the BJW Tag Team Championship to Shinobu and Yoshihito Sasaki.