: This article is a . You can help My English Wiki by expanding it, or perhaps you could contribute to discussion on the topic. The Thirty-One Square is a heavy cruiser used by Metatron capable of carrying man-machines. Afranshia Char and his comrades board the Zi Zeon Organization's warship "Thirty-One Square", Overruling the ship's captain, Afranshia renames the Zi Zeon Organization "Metatron" and rechristens the Thirty-One Square as "Mother Metatron."