The Bragando, boasting their enormous strength and size, have invaded Gando Village in the Western Borderlands. Led by the lord Gando Yonna, Surt and Saphena, who have divine protection, fight back to protect Gando Village. They succeed in repelling the attack, but suffer heavy casualties. Yonna seeks the help of the Baltar family in preparation for the next Bragando invasion, but becomes embroiled in a political struggle for the position of the next head of the Baltar family. Meanwhile, Kai receives information about the conflict between Yonna and the Bragando... The Bragando's full-scale invasion of the Western Borderlands finally begins in this 10th installment of Teogonia!