Advance of Z - The Flag of TitansAdvance of Ζ - The Flag of Titans ; Advance of Ζ: The Flag of Titans ; Advance of Z ティターンズの旗のもとに ; Advance of Z: Titans no Hata no Moto ni ; Advance of Zeta: The Flag of Titans ; Advance of Zeta: Titans no Hata no Moto ni ; AOZとも略される ; アドバンス・オブ・Z ; アドバンス・オブ・Z～ティターンズの旗のもとに～ ; Kidou Senshi Gundam - Advance of Ζ: The Flag of Titans ; Mobile Suit Gundam - Advance of Ζ: The Flag of Titans

Set in U.C. , before Mobile Suit Zeta Gundam, the story follows the Titans Test Team, Black Otter Team, on their mission to test new mobile suits for the Titans. It begins with Eliard Hunter, an Earth Federation mobile suit pilot being assigned to the Titans and transferring to the Aswan, an Alexandria class carrier. There he meets Carl Matsubara, another new Titans recruit, Audrey April a skilled pilot and chief of test operations and data gathering, and Wes Murphy, a veteran of the One Year War and the Delaz Conflict. The Black Otter team doesn’t just carry out test runs, it also participates in real combat missions against Zeon Remnants and later, against AEUG. Manga adaptation of the photonovel of the same name.