I know I read this here and it was unfinished. Haven't seen an update in a long time and I can't remember the name anymore.
Spike is a demon, maybe angel?, who works for the Devil. He has these beautiful, but deadly black wings. I think his wings get hurt in the story trying to protect Buffy. Buffy's scent attracts him and he stops himself from mating with her at first but I think they eventually do. Buffy has no powers and I think Tara is her sister and still a witch. Spike also had a son that was taken away from him by the Devil. The son tries to find Spike and I think he does and the son also gets attracted to Buffy's scent and almost goes after her but Spike stops. Anya is in this fic too and I think she had a half werewolf baby. She runs away from the Devil. | 
