 He retained the title over Taguchi in a rematch on February 11 at The New Beginning in Osaka.In the following months, he successfully defended the title against Máscara Dorada at Invasion Attack 2015 and Alex Shelley at Wrestling Dontaku 2015.On July 5 at Dominion 7.5 in Osaka-jo Hall, Omega was defeated by Kushida for the title.