One day, Rinrei also known as the Dragon takes on a mission from three sisters who live in the old estate down the road. Their mission is to act as the bodyguard of the sisters as they take their ill father to the doctors. The reward is vast.

Chan, an articulate senior detective nearing the end of his career, is taking care of the daughter of a witness killed by ruthless crime lord Po. Martial arts expert Ma is set to take over as head of the crime unit, replacing Chan who wants an early retirement.

Kagerou and Aoi have become fugitives. Not only are they being pursued by the Shinobi of Shiroyama, they must also escape assassins hailing from all the families of Iga. With a conspiracy brewing and surrounded by betrayal, Kagerou and Aoi are left to search for the sincerity of their allegiances as well as asylum from their hunters.

The country of Iga is deep in the throws of war. With smaller villages falling one by one, the largest families are in position to vie for their share of the power. Sankai of Minamiyama has his sinister eyes fixed – not only on total control of the area, but on Kagerou as well. After fleeing the village of Shiroyama, Kagerou and Aoi have been relentlessly hunted. And now, with the civil war in full flux, and Aoi in enemy hands, it is time for one last attempt to escape the clutches of the deadly Shinobi hierarchy – or die trying. They are all alone. They can trust no one. They must find a way out.

Hunted. Kagerou and Aoi have managed to escape the powerful clutches of Shuuzan and his men as well as the vengeful rage of Jinsei - the Shinobi Murderer. But, their troubles are far from over. If Kagerou and Aoi are to have any hopes of survival, they must get out of Iga. But between themselves and the border stands a barrier of both friends and enemies - neither of which can they trust.

In the world of the Ninja, fighting skills play a small role in one's rank in the Shinobi order. Kageru is the best in his class, but his birth predestines him to the lower class. His friend Aoi is dealt the same fate; together they'll have to question themselves.

Physician Koichiro Kiby loses interest in work and begins drinking in a local park after the death of his wife. One day he encounters a girl who knows intimate details about his life. Now, he must unlock her mystery in this fantasy drama.

Yuki (acted by Asami Kai), a senior high school student, is the leader of FIGHTING EXPRESS. Fujioka, who used to be a mercenary, is now a member of FIGHTING EXPRESS. One day a woman called Rei (acted by Kana Tsugihara) shows up to tell them she wants to join them. Rei is assigned the first mission after she has completed the hard training to join a member of FIGHTING EXPRESS with Fujioka. In Rei's first mission, there is a big conspiracy to threaten the continued existence of all humankind! Will Rei and Fujioka save the world?

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.

Qiao Feng is the respected leader of a roving band of martial artists. After he is wrongfully accused of murder and subsequently exiled, Qiao Feng goes on the run in search of answers about his own mysterious origin story—and the unknown enemies working to destroy him from the shadows.