Before the Dragonauts can infiltrate Tartarus and rescue their dragons, Gio mysteriously disappears, and Kazuki shows up looking to settle the score with his old friend Jin.

Jin and the Dragonauts uncover Commander Sakaki’s web of deceit, and the Gillard Army exposes Raum to the anti-Thanatos factor in preparation for her ultimate destiny.

Jin and Toa spend a final heartbreaking day together before Jin turns her over to Gio. Toa’s reaction to his betrayal quickly makes Jin regret his decision.

When the Dragonauts’ diplomatic peace mission fails to sway Thanatos, Jin must make a difficult choice. He can either fuse with the mother dragon or lose his beloved Toa forever.

A Gillard spy kidnaps Toa and delivers her to Prince Asim. While Jin and the renegade Dragonauts hide out, the Fourth Original blazes a deadly and destructive path to Earth.

After the disaster on Mars, the ISDA begins systematically imprisoning and eliminating all remaining dragons. Thanatos’s response to this genocide threatens to destroy Jin and Toa’s happy existence.

After their battle with the Gillard Army, clashing ideals divide the Lindworm Unit. Gio and Toa are detained by the ISDA - one marked for death and the other for experimentation.

Machina descends into violent madness after the murder of Akira. Jin, Toa, and Gio attempt to escape, but Asim and his minions stand in their way.

Enraged and alone, Kazuki descends into madness. Jin betrays Gio in a desperate attempt to get Toa back - but will her horrifying revelation tear them apart forever?

Jin, Toa, and their comrades take refuge in a lunar hot springs. After noticing something strange about Toa, Akira proposes an official ceremony involving Jin.

The Lindworm Unit is dispatched to the Moon to assist the Gillard Army in their efforts to capture Toa and Gio. In the meantime, Jin and Toa begin to reconnect.

Relations between Gillard and the ISDA grow tense. Jin and Gio break into Asim’s compound with help from Akira and Machina, but they might be walking into a trap.

Jin and Gio have questions, and Toa is the only one who can answer them. To find her, they must steal a ship from the ISDA and chart a course for the Moon.

As the D Project moves into Phase 7, Jin and Gio decide they must journey to Mars to save Toa. But before they can blast off, Kazuki and Widow make their presence felt.

After learning the truth about his family’s tragic accident, Jin unknowingly becomes part of an ISDA plot to capture his mysterious new friend.

Jin’s world is rocked by a devastating explosion that changes his life forever. Heartbroken and alone, he struggles to pick up the pieces of his shattered existence.