"Mobile Suit Gundam AGE: First Evolution" is a manga adaptation of the "Mobile Suit Gundam AGE" anime series, serving as a retelling of the first arc of the story. The narrative is set in the Advanced Generation timeline, where humanity has colonized space but faces a devastating conflict with an enigmatic enemy known as the UE (Unknown Enemy). The story begins with the destruction of the space colony Ovan by the UE, an event that leaves young Flit Asuno traumatized after losing his mother. This tragedy drives Flit to dedicate his life to developing advanced mobile suits to protect humanity.

Years later, Flit, now a skilled engineer, creates the Gundam AGE-1, a powerful mobile suit designed to combat the UE. When the UE attacks the colony Nora, Flit pilots the Gundam AGE-1 to defend his home, marking the beginning of his journey as a pilot and leader. The story explores Flit’s growth as he battles the UE, uncovers their true nature, and grapples with the moral complexities of war. Alongside Flit are key characters such as Emily Amonde, his childhood friend and love interest, and Dique Gunhale, a fellow pilot who becomes a close ally. The narrative also introduces Woolf Enneacle, a veteran pilot who mentors Flit and provides a contrasting perspective on warfare.

As the conflict intensifies, Flit discovers that the UE are actually a faction of humans known as the Vagans, who were exiled to Mars and seek revenge against Earth’s inhabitants. This revelation adds layers of moral ambiguity to the story, as Flit must reconcile his desire for vengeance with the broader implications of the war. The manga adapts the anime’s themes of generational conflict, the cyclical nature of war, and the personal toll of fighting for survival. The first arc concludes with Flit’s resolve to continue protecting humanity, setting the stage for the next phase of the saga. The manga maintains a focus on action, character development, and the exploration of its central themes, staying true to the source material while offering a streamlined retelling.