Saya has become one of the world`s most famous Vanguard idols. Now she`s brought two powerful assistants from abroad to help her throw the Happy Vanguard Festival at Dragon Empire Branch.

Once, Team Nippon was a well-known national Vanguard Fight champion. Now a former member, Shin, shares his memories of the old days with Chrono. And so Chrono learns the truth about how Rive and Ryuzu first met.