I listened to merry Christmas kiss my ass one night and now I can't get the idea for this out if my head Prussia and Canada had a great relationship until Canada cheated and Prussia decided to end it Prussia is in a band with england and Denmark and its just before Christmas and Prussia decides he wants fo write and sing this song, he knows that his band mate is Canada's almost brother but doesn't care because he is heart broken. What makes it worse is that england can't let any know that he knows it was France that Canada cheated on prussia with Human au Band au Ships mentioned will be dennor, fruk, prucan , spamano, franada, sufin, aushung, usuk possibly and gerita Also twin headcannon- this is a headcannon that England and Prussia are twins(it is possible for only one twin to be albino) and were separated at birth, gilbert knows but england doesn't