Sine Qua Non: A Gundam SEED/Code Geass Fusion

Series Metadata

Creator:
Series Begun:
2021-12-12
Series Updated:
2025-04-27
Description:

A collection of stories that fuses Gundam SEED and Code Geass together, from the Bloody Valentine War to its aftermath of Zero Requiem; focusing mainly on Kira, Athrun, Suzaku, and Lelouch. Alternate Universe.

Series stories are currently rated Teen. This series is incomplete/on-going.

Notes:

Sine qua non is an indispensable and essential action, condition, or ingredient. Or without which [there is] nothing.

Part 1: Re; An Untold Story
Format: Novella
Status: Complete
How Kira Yamato, Athrun Zala, Lelouch vi Britannia, and Suzaku Kururugi met; and the chaos the four of them caused at the Lunar Academy.

Part 2: War for Six
Format: Novella
Status: Complete
In the aftermath of separate, but inexplicable coincidental traps, battles, and chaotic mishaps cause Athrun, Suzaku, Euphemia, Lelouch, Kallen, and Cagalli to find themselves stranded on a remote, mysterious, and possibly uninhabited island.

Part 3: War Without End (Part 1): The Descending Sword
Format: Novella
Status: Complete
Operation Spit Break is launched, with both ZAFT and the allied forces of Britannia and the Eurasian Federation believing that they have outsmarted each other. As chaos engulfs the battlefield of Alaska, the dark shadows cast by leaders unyielding begin to move for retaliatory strikes.

Part 4: War Without End (Part 2): Lancelot Ascending
Format: Novella
Status: Complete
After the devastating destruction at Alaska, the war on Earth escalates, beginning with the retaliatory attack on the Panama Mass Driver. As friends discover that they are fighting friends, and former foes become friends and allies, the shadows of Britannia under Blue Cosmos influence begin to expand – their target: the neutral nation of Orb.

Part 5: War Without End (Part 3): Into the Dawn Skies
Format: Novella
Status: Complete
With Orb under siege, Athrun assists Kira in the fight against the hybrid Knightmares: Lancelot, Tristan, and Mordred, until the Knights of the Round abruptly withdraw. Amid the destructive turmoil engulfing Orb, Athrun must decide whether he should continue obeying his father’s orders, or fight for what he believes in. Meanwhile, Suzaku faces a similar choice: continue to let an extremist remain unchecked and destroy the world, or gain enough power to eventually become the Knight of One to not lose anyone else.

Part 6: What Stands in the Way
Format: Novella
Status: Complete
Charged with a clandestine mission of utmost importance from the Emperor, Suzaku, the brainwashed Lelouch, and Rolo head to the PLANTs. Meanwhile, as Kira, Cagalli, and the crew of the Kusanagi and Archangel take shelter at L4, Athrun returns to the PLANTs; hoping that there is still reason within his father to stop this war.

Part 7: The Collapsing Light
Format: Novella
Status: Complete
As the Dominion and her crew continue to engage the Three Ship Alliance, intent on capturing the Freedom or Justice, an ancient object within PLANTs becomes a catalyst for a demon to awaken again. Terrifying and horrific revelations plague both Kira and Mu, but pale in comparison to what is unleashed in retaliation when Britannian forces under the command of Lelouch, takes the fight directly to ZAFT.

Part 8: To An Awakened Future
Format: Novella
Status: Completed
It’s a race against time for Kira, Athrun, Lacus, Cagalli, Suzaku, and their allies destroy the unleashed weapon of mass destruction; to stop a madman from allowing the cycle of death and destruction to continue. An awakened future born in pain awaits, as the shape of things to come starts with Zero.

Part 9: Re; SEED
Format: Novel
Status: In Work
In the aftermath of the Bloody Valentine War, the discontented shadows of Naturals and Coordinators on Earth begin to grow again; influenced and twisted by those wielding the mysterious power of Geass. Humanity’s fate hangs in the balance as a titanic sibling rivalry consumes both Earth and space; a grandiose requiem for the seeds of a future unknown.

Part 10: Sine Qua Non
Format: Novella or Novel
Status: Unwritten
The final story of Sine Qua Non (series), and the consequences arising from the aftermaths of both the Bloody Valentine War and Zero Requiem. The hunt for Geass user Leila Malcal starts with a contact in the Eurasian Federation named Canard Pars.

Stats:
Words:
277,518
Works:
9
Complete:
No
Bookmarks:
24

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