ناسا يوزاكي يقع في الحبّ من أوّل نظرة بعد التقائه مع فتاة غامضة تدعى تسوكاسا. عندما يعترف ناسا بمشاعره تجاهها، تردّ عليه قائلة":"سأواعدك، لكن فقط إذا تزوّجنا". الحياة الزوجية الغالية والظريفة لناسا وتسوكاسا على وشك أن تبدأ!

The year is 2307 A.D. Although fossil fuels have been depleted, humanity has obtained a new source of energy to replace them, in the form of a large-scale solar power generation system based on three huge orbital elevators. However, the benefits of this system are available only to a handful of major powers and their allies. In this world of never-ending conflict, a private armed organization appears, dedicated to the elimination of war through armed force. Its name is Celestial Being, and it is in possession of "Gundam" mobile suits.