Mu AG 101 (chaka cha 101 cha kalendala ya Advanced Generation) chinthu chodabwitsa chomwe chimangodziwika kuti "UE", kapena "mdani wosadziwika", chimazunza ndikuwononga Angelo. Kuukira mwankhanza kumeneku kumakhala kotchuka monga "Tsiku lomwe Mngelo Adagwa", ndikuwonetsa kuyambika kwa nkhondo yaumunthu yopulumuka. Mndandandawu umayamba mu AG 108 pomwe UE ikaukira dera la Ovan, komwe Flit Asuno amakhala tsopano atathawa mngelo wa Colony asanawonongedwe. Amayi a Flit atatsala pang'ono kuphedwa ndi UE, amapatsa mwana wawo wamwamuna chinthu chotchedwa "AGE Chipangizo". Mkati mwake adapeza mapulani a chida champhamvu kuyambira kale-mesiya wakale wotchedwa "Gundam".
Kuchokera pazinthu izi, Flit amatha zaka zingapo zotsatira akuphunzira ukadaulo ku Earth Federation base ku Nora space colony ndikupanga Gundam AGE-1. Patatha zaka zisanu ndi ziwiri, mu AG 115, Flit amaliza Gundam AGE-1 Yachibadwa, monga UE yomwe idamenyera Nora, ndikuigwiritsa ntchito kuthandiza gulu lankhondo la Federation "Diva" kuthawa nzika za koloniyo isanawonongedwe. Pofunitsitsa kubweretsa nkhondoyi ku UE kuti awononge nyumba yake kawiri, Flit akuvomera kuti azigwira nawo ntchito yoyendetsa suti ya Diva yoyendetsa Gundam. Atapeza deta yokwanira komanso mphamvu zankhondo kuti akhazikitse zochita, gulu la a Diva ndi anzawo adayambitsa chiwembu chomwe chidawononga malo achitetezo a UE ku Ambat asteroid. Kumeneko amaphunzira kuti UE ndi mbadwa za anthu omwe adalephera kuti atumizidwe ku Mars, omwe adasiyidwa kuti afe ndi Earth Federation, omwe adapanga dziko lawo lomwe limatchedwa Veigan.
