Shuumatsu no Izetta

"If I am promised to the princess, then I will fight for her sake."
In 1939 C.E., the imperialist nation of Germania invaded a neighboring country. All at once, the conflict spread throughout Europe, and the era was dragged into the spiral of a great war.
Then, in 1940, Germania's attack turned towards the Principality of Elystadt, a small Alps country abundant with beautiful water and greenery.