It's also a Sequel to the first story: Manehatten Blues.

Sweetie Belle had found a very special somepony and this helps her to feel whole again.

But it isn't as easy as it sounds.
String Tamer is a very broken soul, like Sweetie is too.
The former unicorn hasn't overcome her lost horn and struggled with it in an unseen way.
Rated Teen for terms and same sex couples.

Feel free to comment if you like.