Kidou Senshi Gundam: GQuuuuuuX - Beginning

Synopsis

A peaceful high school life in a space colony is disrupted when Amate Yuzuriha encounters a war refugee. This meeting pulls her into the clandestine world of Clan Battle, an underground mobile suit dueling competition. Adopting the alias "Machu," she pilots the GQuuuuuuX in intense matches. Her life takes another turn with the appearance of a mysterious Gundam and its pilot, Shuji, who are being pursued by authorities.