Mobile Suit Gundam: The Origin II - Artesia's Sorrow

A prequel exploring the hidden past of two fugitive siblings living under false identities in a militaristic future, balancing domestic refuge with the looming threat of discovery.

In the year UC 0071, three years after escaping the Zabi faction on an Ocean Cargo ship, Artesia and Casval are living happily in Andalusia, Spain, Earth under the identities of Sayla Mass and Éduoard Mass, respectively; masquerading as the children of Don Teabolo Mass, a long time friend of their father Zeon Zum Deikun.