Mattea really should have expected complete chaos when she agreed to go on a two week long summer retreat with her classmates. Particularly when you add overprotective sisters and friends who like playing matchmaker... Gen!flip and Gakuen AU.

To tell you first, that this isn't a story. It's a list of how to know you are obsessed with HetaOni, an amazing fanmade Hetalia video, that has been getting more than 100,000 views on the internet.