Howl no Ugoku Shiro, Ouran Koukou Host Club Recommendations
If you fell in love with tamaki (or any other host for that matter)then you'll 100% like howl.Even the love story is similar (haruhi=sophie)
If you dont know anything about this howl's moving castle and probably you've seen some pictures and your not going to think twice,thrice or go over it 100x if you dont watch it you'll regret.
The main male protagonists - Howl and Tamaki - are very much alike. If you've fallen in love with one, you'll probably adore the other as well. Sophie and Haru also give off very similar vibes.