After being apart for three years following their intergalactic adventure, Lafiel Abriel and Jinto Linn are reunited. Lafiel now serves as the captain of the Basroil attack ship, with Jinto as her supply officer. However, the resurgence of war between the Abh Empire and the Triple Alliance swiftly places the inexperienced pair in the midst of the perilous conflict. The ongoing war between pure humans and their most significant invention, the Abh, proves catastrophic. Both sides acknowledge that this battle is not just about land, but rather about resolving fundamental disparities.