When a meteor crashes to Earth, it briefly changes the climate and dinosaurs once again roam the planet. It's up to a newly formed expedition team to relocate the dinosaurs to a safe environment. (Source: AniDB)

2035 A.D. The heads of ancient giant idols were excavated all over the world. Using those twelve stones statues, Humanity had barely overcome the threat of extinction called the "Equatorial Winter". But the stone statues had forced Humanity to construct colossal suits of armor as their bodies and demanded that the humans fight each other. (Source: ANN)

Zeus had a daughter named Athena, the goddess of war. A group of youths flocked to Athena fighting to protect her amidst heroic battles as her "Saints". Their proof of being a Saint laid with the battle protector known as Sacred Cloth. After a virtual eternity, a new struggle is about to unfold now again over the Cloth. A boy named Seiya has crossed way over to Greece to undergo the training to become a Saint and obtained the Cloth, Bronze cloth, the lowest position among Saints. Every Saint takes a constellation as their tutelary god. And Seiya's guardian star is Pegasus. Now, the saints gather together from all over the world to participate in the "Galatic War" - championship of Saints, aiming at the Gold Cloth, the symbol of ruler of the Saints. The curtain for Galatic War has been cut open. During the death battle between the Saints, Phoenix, the Black Saint, suddenly appeared on the scene and runs off with Gold Cloth in front of a full house in his ambition to become ruler of the world. Seiya and his fellow bronze cloth warriors go after Phoenix and his "Shadow Army" to retrieve the lost Gold Cloth... The battles waged among the saints, the strongest young men on earth, begin now! (Source: Toei Animation)

While in search of his precious friend, a young boy named Nai falls captive to a beautiful woman, whose looks are matched only by her taste for human flesh. Meanwhile Gareki, a clever thief, is in the midst of robbing her luxurious home. After causing a distraction, Gareki agrees to help Nai escape, but they are discovered upon the woman's return. As she transforms into a ghoulish monster, the boys flee. On the run, Nai and Gareki are found by "Circus," a government defense agency that deals with criminal activity too difficult for the police to handle and protects civilians from "varuga"—terrible monsters that devour humans for sustenance. In the hope that it will lead Nai to his missing friend, he and Gareki decide to join Circus. On their perilous journey, they face dangerous varuga and begin to uncover the secrets behind a shadowy organization known as Kafka. [Written by MAL Rewrite]