(Partially) related stories which comes to mind:
- Tighlty bound bride by Alexis - this is more or less final relationship. F/f (initally M/f)
- The New Mistress by Katherine Travis - F/f. f originally wanted 24/7 and permanent relationship. It took more than one attempt.
- Snowbound y Mike Allan/sfmaster - F/f. Beth literally her friends when they all lose jobs. Other people also gets here.
also, this is rather common theme on lady2maid.blogspot.com stories except it doesn't always go to "fall in love" part and is heavy on