X - [ONE] Two groups of supernaturally empowered warriors begin a prophetic battle to shape the future-  a clash that will rock the foundations of the planet! The Dragons of Earth swear to purge humanity from the world, while the Dragons of Heaven are the last hope of all mankind. One young man holds the key to Earth's destiny.
 
X - [TWO] Unable to accept the truth behind his mother's death, Kamui visits Hinoto, the dreamseer for the Dragons of Heaven. He refuses to believe her prophecy - that he is the key to the Earth's fate. She pleads with him to try and change the future she foresees. As Kamui ponderous his options, the Dragons of Earth start attacking Tokyo!
 
X - [THREE] Mortally wounded by Nataku, Fuma's father leaves that cryptic message for his son - "You are Kamui's twin star." After the funeral, Kamui and Kotori are attacked by the Seishiro, a Dragons of earth assassin. A still mystified Fuma manages to save both of them. But Kamui senses there is something different about Fuma.
 
X - [FOUR] Her special power kept Yuzuhriha apart and lonely until she met the Dragons of Heaven. Now, she begins to fall for Kusanagi - one of the Dragons of Earth! As Kotori faces her tragic destiny, and the second divine Shinken sword appears from an unexpected quarter, Kamui is forced closer to deciding his path.

X - [FIVE] The two Kamuis finally awaken! Kamui has chosen to be a Dragon of Heaven, forcing Fuma, Kamui's twin star, to become a Dragon of Earth. Battle between the two is inevitable, but not while Kamui is still unconscious from the shock of Kotori's death. Subaru dives into Kamui's dream to save him, as Fuma contacts other members of the Dragons of Earth - Kakyo and Nataku.

X - [SIX] After Fuma, the second "Kamui," joins the Dragons of Earth, the attack on Tokyo turns even more brutal. Half-blinded in battle with Fuma, Subaru nevertheless faces off against Seishiro. But for these two, this battle will bring everything in their past to a feverish finale! Meanwhile, Yuzuriha cancels a meeting with Kusanagi to protect a city from remorseless Satsuki's attack!