The 100-year truce between the countries of the world has been broken as the Empire of Eurote invades and expands across the continent. Free lands are falling to the Empire left and right, but officer Taki with his left hand man, Klaus, is just barely able to keep their expansion at bay. But Klaus doesn't work for free and after every battle seeks compensation from Taki in the bedroom. Taki keeps silent because Klaus is a powerful ally, but can Taki really trust a knight who was born in the Empire of Eurote....