Jamanga General, Doctor Worm, arrives with a huge armoured black tank to attack Akebono City! The demons are catching the residents one after another. Kenji comes across a female police officer who shoots and fights with a handgun. It is Ichiko and Ritsuko of the Akebono Police Department, Traffic Division. Kenji is impressed by their determination to protect their city by themselves and transform into RyuKenDo and summon the beast king, Brave Leon. Brave Leon is transformed into Leon Trike. To defeat the armoured black tank, RyuKenDo began to track them using Leon Trike!
Ryukendo entra em ação juntamente com Ryugan'o em sua primeira missão oficial como membro da S.H.O.T., invocando seu espírito YuuOu, Brave Leon, para auxiliá-lo, mas demonstra ter sinais de desobediência por ser orgulhoso.
