Code Geass Teardrops of Rebellion

In Gundam Wing Frozen Teardrop: What if to force the Mars Government, Heero self-detonated the Snow White Gundam. But rather than dying the blast only damages Snow White and also takes them to a new world. A world with a history very different from his own. What will become the Mission for them when Heero meets Lelouch? M for violence in later on