Suddenly, extraterrestrials from the world Pict descend upon Earth, intent on converting every human into Noppera—faceless beings with stark white flesh, luminous antennae, and no visage. In response, countries mobilize strikes, yet each attacks in isolation and is crushed.
Consequently, the Allied and Axis states featured in Hetalia: Axis Powers—Paint it, White—must join forces to repel the alien onslaught and preserve their homeland.