RomaHeta is a series of fan videos that circulated on Nico Nico Douga. They play out as an RPG featuring characters of the Axis, the Allied Forces, Prussia, Belarus, Switzerland, Liechtenstein, Canada, Austria, Spain, and South Italy. Hungary, South Korea, Estonia, Lithuania, and Latvia also make appearances as outside supporting characters.
In the series, Japan creates a game that can send people to the second dimension. However, this proves to backfire when it sucks him and a bunch of other nations into its programming, trapping them in the computer. In order to return to their world, they must beat the game.While training, it is revealed that the Japan in their party is an "error" and an evil duplicate, and that the real Japan has actually remained outside of the computer (though he assists the others from outside the game). America attempts to gather all of the other trapped nations, but the Allies and Axis soon face off against each other. It is revealed that some of the nations have become contaminated with a type of virus. While Germany, Prussia, and Spain are healed, Russia is unable to be cured and is...