Description：Two young men living in the Baruhaite Empire, which is in the process of relocating its capital - Inumare, a timid man who works hard at transportation, and Leocadio, a rookie soldier in the empire who does not know the ways of the world. One of them is thinking about his important sister, and the other is thinking about his future as a soldier, and they live their daily lives in the imperial capital. At the same time, a prophecy that the disaster "Light", which destroyed most of the creatures in the world and brought ferocious monsters to the world, will come again appears in the empire, and people throughout the empire are in panic. In the meantime, with a certain secret transport incident as an opportunity, the fate of Inumare and Leocadio, as well as the history of the empire, will undergo drastic changes.