From a young age, Yonna and Stan have been outcasts from society due to Yonna's magical abilities. Hence they stay in a castle away from others who seek to persecute them. The Imperial government over time, recognise the potential of Yonna's powers to benefit society, but Stan rebuffs their approaches. Now years later, Garuda, a young Imperial agent is sent to retrieve Yonna from the castle. To complicate things Piggott, another Imperial lackey, has lied his way into the castle to fulfill his own objectives. [From AnimeNewsNetwork]

Kozue loves to stargaze and does so regularly. On a trip to view a meteorite, she happens to meet a boy named Ginga. He has a mysterious ability to discover more information about the stars, which he uses to help scientists with astronomical research. Unfortunately, his life is mostly dictated for him, and when carrying out missions, he must always wear a protective suit. Kozue helps Ginga to gradually take control of his life by encouraging him to make his own decisions.