Descended from the ancient lineage of Gyu, the four Ryudo brothers appear outwardly normal but have inherited incredible special powers. So far, their ordinary life in an inconspicuous suburb of modern day Tokyo has ensured that these supernatural abilities have remained conceated but, after the intervention of the Gozen, their full miraculous potential can no longer be suppressed

Chapter 1: The Dragon prophecy

Day-to-day for Hajime Ryudo and his brothers is suddenly disrupted by kidnappings, assault and expulsion threats. As the eldest, Hajime realises that the prophecy of the Dragon King will soon become reality.

Chapter 2: Ancient truths

Hajime comes face to face with the oppressive tyrant Gozen of kamakura and learns of the ancient legend of the four Kings. Offered a chance of complete supremacy over the city of Tokyo. Hajime must take a tough decision, one that will after the brothers' whole existence

Chapter 3: The awakening

The Ryudo brothers, accused of murder, flee the city and fall straight into Gozen's trap. The Army, together with Gozen, launch a mass attack on the unsuspecting brothers, to stimulate their transformation into dragons and use their powers to fuel Gozen's strenght

Chapter 4: The masked enemy

More than just fun and games are in store when the Ryudo brothers take a day trip to Tokyo Fairyland. They soon discover that they are wanted by strange representatives of Military Intelligence for their hidden powers and true ghost train horrors come to life when they are pursued through fairground

Chapter 5: Programmed to kill

Dr. Tamozawa, once Gozen Kamakura's personal physician, thrives on dissecting living human beings. Aware of the Ryudo brothers' supernatural powers he is obsessed wiht experimenting on them and sets out to capture them with his cybernetic hunting dogs. when the two brothers Owaru and Amaru suspiciously win VIP tickets to the big league game, the evil doctor lures them into his cunning trap.

Chapter 6: Dragon alliance

The beautiful mysterious magalomaniac Lady L. an extremely influential figure in Japan, will do anything to achieve world domination. Recognising the power of the Ryudo brothers she targets Tsuzuku, desperate to reach his inner soul and use his power to achieve her goal. her proposition angers him and drives him to do exactly what frightens him most.

Chapter 7: Kill the dragon

The media world is captured by the phenomenon of the Red Dragon which has attacked the cityscape. Unknown to them, the enraged monster is the transformed Tsuzuku Ryudo, The evil Dr. Tamozawa is one of the few to have discovered the Ryudo's secret and, using his new generation cyborgs, he engages in a plan to kidnap Owaru for his scientific experiments...

Chapter 8: The iron dragon

Owaru Ryudo is still captive at the lab awaiting dissection at the hands of the evil butchering Dr. Tamozawa. The remaining brothers, relentless in their search for him, are being pursued by government agencies. Forced to flee they steal a military tank in collaboration with a rebellious army captain eager for a slice of the action. The chase is on and time is running out for Owaru and his brothers to salvage the city of Tokyo...

Chapter 9: The fierce wind

The ruthless Lady 'L' has kidnapped Owaru and held him captive in an electrified cage at the Yokata Air Base ready to be transported to America. Hajime sets off on a tone rescue mission to free his brother but the attemps causes a disastrous airplane explosion on the runway. The trauma awakens the White Dragon of the Wind within Owaru and he begins to destroy the airbase. Realising the awesome power of the beast may infure the innocent there is only one way Hajime can control its power... but that may be too frightening to conceive...

Chapter 10: Narrow escape

Lady 'L' has more evil plans in store for the Ryudo brothers when she organises their arrest by the police. A replicant of Hajime attempst to release the prisoners and in the process destroys the police station, having the Ryudo brothers branded as terrorists. The entire law enforcement agencies of the city are placed on emergency alert and are part of the biggest manhunt ever known. The Ryudo brothers are the innocent victims... the hunt is on!

Chapter 11: A revolution of the Heavens

Hajime has become a captive of Lady 'L', and is brought aboard the aircraft carrier Dynasty, But waiting for him on board is the dissecting maniac, Dr. Tamozawa! Tamozawa's cruel treatment summons the wrath of Hajime, and the fourth dragon finally emerges. The Blue Dragon King can control the force of gravity, and he plucks the Dynasty and her fleet up into the stratosphere! Tsuzuku and the others who have rejoined their three brave friends: Shinkai, Mizuchi and Nijiikawa, escape Japan in a defense transport plane. But now they must find the Blue Dragon King!

Chapter 12: The Four Dragon kings

The defense transport plane that Tsuzuku and the others have stolen is in danger of crashing! Desperate to save Matsuri and their friends, Tsuzuku and his two brothers transform themselves into all powerful dragon. Meanwhile the Blue Dragon King has travelled to America and begins to destroy all military bases and facilites and finally targets his anger towards the US president. The other three dragons manage to reunite with Hajime but can their combined power overcome the spirit the Shiyu: an ancient enemy of the dragon race, from over 3'000 years ago? The worlds is on the brink of Armageddon as it enters the ultimate battle in the climax of this exciting series...