An assassin for a secret organization keeping Japan safe from underworld threats finds himself targeted by evil forces aiming to unleash an unstoppable criminal syndicate upon Japan.
They are "Behind-the-Scenes Delivery Specialists" who can deliver any kind of packages to anywhere in Japan. They run through dangerous areas and they fight with anyone standing in the way! Akane (acted by Yuka Kosaka), a would-be journalist, is chased by a shady black-suited group as she has an evidential document which can prove an assembly man's crime. So she runs to FIGHTING EXPRESS, which can deliver packages with special secret circumstances.
Asami returns exhausted after three years of intense training to become a yakuza hunter. She decides to visit her old master, Inokuma, who runs a bar. However, she finds his place in ruins and nothing is as it was when she left. As it turns out, the local yakuza had turned it into a gambling house and laid claim to the entire area with the help of a cold-blooded killer named Akira. Akira is relentless, and utilizes cruel tactics when anyone dares get in her way.