Char Aznable, a renowned pilot known as the "Red Comet," and his sister Sayla Mass, are at the center of the story as the One Year War approaches. The narrative explores the ascension of the Zabi family, the emergence of Zeon, and the early careers of notable pilots like Ramba Ral and the Black Tri-Stars.

Mobile Suit Gundam: The Origin - Advent of the Red Comet
The legendary ace pilot Char Aznable, known as the Red Comet, and his sister Sayla Mass, navigate the tragic tale of the One Year War, tracing the rise of Zeon Zum Deikun and the Principality of Zeon, and the catastrophic outcomes that ensue.