Mobile Suit Gundam Wing: The Glory of Losers manga volume 12 features story and art by Katsuyuki Sumizawa, adapted by Tomofumi Ogasawara, and is based on the work of Yoshiyuki Tomino and Hajime Yadate.

Queen Relena is dismissed from her role as Romefeller Foundation representative. Treize, now restored to his position as Commander-in-Chief of OZ, declares all-out war on White Fang, which is being led by Milliardo. Among such tumult, in outer space, where White Fang had expanded its influence, remnants of the defeated OZ space force occupy Colony C-00421. Trowa, who happened to be visiting the colony, climbs into the cockpit of the Gundam Heavyarms to rescue Cathrine and the others, but…