Reposting this amazing story!
It's WIP but this author finishes her stories.
The Darkling by OffYourBird
https://dark-solace.org/elysian/view...t=ok&warning=5
54 chapters!
Summary: When Buffy’s quest to get Spike returned to her is fulfilled in an unexpected way, she finds herself in a complicated relationship with an intrigued master vampire who isn’t the man she loves, but who might be someday… if she can convince him to step out of the dark.
A 2017 Reunion Challenge fic! (banner by me)