Juzo and Noren end up on a double date with Chisato and Tenma. The four enjoy shopping and lunch, but the moment the movie starts, Juzo mysteriously reverts to his adult body! He rushes to the restroom, only for Noren to be kidnapped again. Chasing the culprit’s car to a stadium, Juzo and Tenma face Kazuma and Eiji Rindou, assassin brothers from the industry’s top organization, JARDIN.