The story takes place on a continent where two countries are separated by Lutoni River and Central Mountains. The two countries, the Confederation of Roxche and the United Kingdom of Bezel Iltoa have been at war for over a century and now settled on a cease fire. Allison is a pilot in the Roxche air force and one day reunites with Wil, her companion from the House of Future, where they were orphans. Together they find themselves embroiled in an adventure in enemy territory to find a fabled treasure that will hopefully end the war and bring peace to both countries.

Source: ANN

The second half of the story starts about fifteen years after the conclusion of the first half. The story centers around Lillia, the daughter of Allison and Wil. Wil has in this time assumed a new identity, Travas, under the Sou Beil military, though still dates Allison. Lillia's companion is her childhood friend Treize, son of Carr Benedict and Fiona; Treize has a twin sister named Merielle. Lillia's and Treize's adventure together begins during her summer vacation from school.

Source: Wiki

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