A tragedy from the distant past. The destiny and love that Kuon has carried ever since. And the meaning of fighting. It is not only Kuon (Voiced by: Hiroshi Kamiya). Kuon's companions Yuri (Voiced by: Ryoko Shiraishi) and Tei (Voiced by: Kaori Nazuka), and even Epsilon (Voiced by: Kosuke Toriumi), who was once a member of the opposing organization Coustos, all fight for the future. As Kuon faces the final battle, what will he see at its end...?