Switched (Hetalia Fanfic)

'Everyone knew something was wrong. They sat next to each other at the world meeting, England leaning back on his chair, his hands behind his head and his feet on the table, where America sat rigid and upright.'

The spell had gone horribly, horribly wrong. One minute Arthur was himself, and the next... He wasn't. What had gone wrong? The American Idiot, of course...