Mobile Suit Gundam: The Origin: Advent of the Red Comet

U.C. 0068 - Zeon Zum Deikun suddenly dies while giving his speech to declare the Autonomous Republic of Munzo's independence from the Earth Federation. As Munzo falls in turmoil while the House of Zabi rises to power, Deikun's children Casval and Artesia flee the colony to Earth. In the years to come, Casval and Artesia live in secret while the Principality of Zeon develops its military power before finally declaring war in January U.C. 0079.