Altercation between the two factions.
Los Ingobernables de Japon (Tetsuya Naito, BUSHI & SANADA) lost to Keiji Muto, Hiroshi Tanahashi and Shota Umino at Wrestle Kingdom 17.
Later in the show, NJPW commentator Chris Charlton stated that there was an altercation backstage that involved Tetsuya Naito.
Images were then shown on social media of Naito, Shingo Takagi, BUSHI and SANADA being confronted by Pro Wrestling NOAH’s Kongo faction.
— 新日本プロレスリング株式会社 (@njpw1972) January 4, 2023
Among those representing Kongo were Katsuhiko Nakajima and Kenoh, who challenged for the GHC Heavyweight Championship at NOAH ‘The New Year’.