Shellshock

In 1914, following the assassination of Arehduke Franz Ferdinad and his spouse Sophie in Sarajevo, Austria-Hungary, backed by the German Empire, declares war on the Kingdom of Serbia. Russia declares war on Austria-Hungary, and Germany retaliates by declaring war on Russia, and then, Britain and France declare war on Germany. World War One, better known as the Great War back then, has begun. In 1917, a disease, known as the Plague, emerges a village in Slovakia. As more people die, the Plague grows. The news of the Plague spreads Europe. Disregard as just a disease, the war continues. The Plague begins creeping into the Russo-German front. The Plague manages to enter Germany. The Plague enters Romania. The Plague enters the Western Front. Italy begins fighting the Plague. The Plague enters Switzerland. The Plague begins targeting France. The Netherlands fall to the Plague. Italian forces retreat from Lombardy to France. After realizing the real threat, the Entente have formed a coalition against the cannibals. Everyone is free to join. The Plague enters Bulgaria, Greece, and the Ottoman Empire. The Plague enters every country. (Continued the lore)