Hetalia Axis Powers Movie: Paint it, White

One day, aliens from the planet Pict launch a devastating invasion on Earth. Their sole purpose is to transform all of humanity into "Noppera"—featureless creatures with plain white skin, glowing antennae, and no face. This prompts the world's nations to counterattack, but they are all ultimately defeated, as they each launched their offensives separately. And so, both the Allied and Axis nations of Hetalia Axis Powers Movie: Paint it, White must band together and unite their powers to stop the alien invasion and save their planet. Earth is under attack by extraterrestrials and a group of eight people meet to decide on a course of action. Although America wishes to fight, England and France are still recovering from an earlier conflict, Japan is indecisive, and Italy decides to wave a white flag.The meeting ends without consensus, with each faction facing the aliens in their own way. However, all military actions prove useless and the white flag is ignored.Reluctantly, the eight reconvene and come to the conclusion that the only way to discover the aliens' weakness is to infiltrate their mother-ship