In the year UC 0071, three years after fleeing from the Zabi faction aboard an Ocean Cargo ship, Artesia and Casval have settled into a content life in Andalusia, Spain, on Earth. They are living under the assumed names of Sayla Mass and Éduoard Mass, posing as the offspring of Don Teabolo Mass, who was a long-standing friend of their father, Zeon Zum Deikun.