Check out this haunting fanfic classic, featuring alternating POV from Spike and Nikki Wood:
Wayward by
devilpiglet R
Spike’s got his mojo (and his coat) back, but when a feverish Nikki Wood appears in Sunnydale, there’s going to be hell to pay. Goes AU for the rest of Season 7.
Link to complete story:
On AAS /
On Author's Site