 On November 28, Kodaka defeated Yukio Sakaguchi to win the KO-D Openweight Championship for the first time.After three successful defenses, he lost the title to Harashima on March 21, 2016, at DDT's 19th anniversary event.After six successful title defenses, Kodaka and Miyamoto lost the All Asia Tag Team Championship to Atsushi Aoki and Hikaru Sato on July 24 at a BJW event.