He has three younger brothers, Takamori, Konosuke and Kosei, who all compete in sumo under the respective shikona Naya, Ōhō and Mudohō.

[13] Naya won the Ironman Heavymetalweight Championship alongside Mizuki Watase, Antonio Honda and Danshoku Dino at Judgement 2020: DDT 23rd Anniversary, on March 20, after they simultaneously pinned Masahiro Takanashi to become co-champions.

[14] On June 7, at the second night of Wrestle Peter Pan 2020, Naya unsuccessfully challenged Shinya Aoki in a No Countout match for the DDT Extreme Division Championship.

On February 20, 2021, at This Will Be Our Ninth Narimasu Event, Naya teamed up with Chris Brookes and Toy Kojima in a losing effort to Gota Ihashi, Toru Owashi and Antonio Honda.

[17] At Into The Fight 2021 on February 28, Naya teamed up with Disaster Box (Harashima and Toru Owashi) to defeat Damnation (Daisuke Sasaki, Mad Paulie) and Nobuhiro Shimatani.