In a future besieged by the technologically advanced Abh Empire, humanity unites to resist their conquest. Jinto Linn, a young count whose father traded their world for power, navigates life among the Abh elite with the help of Lafiel Abriel, a princess he befriends. As they journey to Jinto's new school, a sudden space battle entangles them in the escalating war between the Alliance and the Abh, setting the stage for a larger conflict.