[Machine Translation] A passenger plane took off for the "Northern Frontier Zone" carrying passengers with various agendas. However, it was not a peaceful flight. On board the plane was the coffin of the Duke of Highland, who was being escorted back to the "Western Frontier" as a criminal after committing a massacre there. The poisoned fangs of the nobles over the Duke, and even more brutal air pirates, attack D and the passengers on board the flight!