Daisuke Sekimoto
Funaki wrestled his first match as a freelancer on August 18, 2015, at a Masahito Kakihara cancer benefit show, where he and Minoru Suzuki defeated Mitsuya Nagai and Takaku Fuke. On September 18, Funaki won his first title since becoming a freelancer, when he defeated Real Japan Pro Wrestling (RJPW) wrestler Super Tiger to win the Legend Championship. He lost the title to Daisuke Sekimoto on December 9, before regaining it on June 23, 2016. On September 10, Funaki lost the Legend Championship to Shinjiro Otani. On January 9, 2017, Funaki and Yukio Sakaguchi defeated Konosuke Takeshita and Mike Bailey at a DDT Pro-Wrestling (DDT) event to win the promotion's KO-D Tag Team Championship. They lost the titles to Danshoku Dino and Yoshihiro Takayama in their third defense on April 29. Funaki Wrestled at NOAH – DESTINATION 2021 BACK TO BUDOKAN! on 2/12/21 in a losing effort versus Kenoh for the GHC National Title.