NOAH’s 25th Anniversary Memorial Voyage 2025 in Kokugikan took place on May 3, 2025, at Ryogoku Kokugikan in Tokyo, Japan, and featured multiple championship bouts including a headline GHC Heavyweight clash between KENTA and OZAWA. The Main Event was for the GHC Heavyweight Championship as KENTA challenged OZAWA in a generational showdown. KENTA, a NOAH legend who first rose to prominence in 2000, sought to reclaim the heavyweight crown he last held in 2013–2014, while OZAWA represented the new wave of talent.