This is a Hetalia / Harry Potter crossover (obviously). England gets a letter from Albus Dumbledore asking him, as well as many other countries, to attend Hogwarts to protect Harry Potter during his third year at Hogwarts. What could go wrong? Ships include GerIta, PruCan, SuFin, DenNor, and SpaMano.
(Takes place roughly after the first avengers movie) They were there during the alien invasion. In fact it wasn't just new York that was attacked. Many places in many countries were attacked, and of course the personifications defended them. However, as much as they tried to keep a low profile, some footage got leaked...
When certain countries wrecked the Magic Trio's magic room, something terrible happened. They turned to kids! The Magic Trio are willing to help them turn back to their original forms but the needed ingredients is in the world of wizardry. They need to go to Hogwarts. Yes, Hogwarts. Who says there is no such thing as...