Two African princes arrive in Japan, and Collector Kyouma Mabuchi is caught in the middle! The handsome and charismatic Prince Salva is after the late Dr. Yurizaki's "final legacy," but what exactly does that mean? Meanwhile, Kyouma encounters the effeminate and demure Prince Lwai, who's actually more than what he seems. And amid all this excitement, a new secret emerges about Mira herself. What is the fate of the Kyouma, Mira, and the coils in this international incident? The progressive sci-fi tale about humanity and energy reaches new heights!