None. I can't get into new anime/manga fandoms because I don't like scanlations or watching anime online, and I feel that it's impossible to participate if you aren't always perfectly on board with the latest chapters/episodes as soon as they get released.
I've also realised I don't like participating in fandoms when the canon still isn't finished. For example, I love reading SnK, but I can't even imagine writing fic since all my ideas would one day be ruined by new developments in canon. Hetalia is the perfect fandom for me since it's easy to follow online and so non-chronological that I can write about whatever I want.
Re: What other fandoms are you into?
I've also realised I don't like participating in fandoms when the canon still isn't finished. For example, I love reading SnK, but I can't even imagine writing fic since all my ideas would one day be ruined by new developments in canon. Hetalia is the perfect fandom for me since it's easy to follow online and so non-chronological that I can write about whatever I want.