Seconding the Indigo Overture rec. It's singularly awesome.
Murphy's Law by Im_Bloody English
You know what it means... whatever can go wrong, will go wrong. 'Murphy's Law' comes into play from the moment our two favorite blonds meet despite any initial attraction to one another. What's the result when a womanizing genius and a prudish workaholic are forced together in every way with no choice but to deal with each other 24/7? Tons of UST! Will it ever get resolved, or will they kill each other first? .... "Tell me somethin', pet. Wha's the real reason for your knickers bein' in a twist aside from the possibility you put your plug in sideways?" .... "The fact you're still breathing is number one on a very long list of reasons and oh-my-God... crude much?" Romance, comedy and mild angst.
In The Army Now by Im_Bloody English
COMPLETEDBuffy joins the military and heads off to Basic Training. The Boot Camp experience can be rough enough to endure, but there's something, or rather someone that will make her time spent becoming a soldier ten times worse - a Drill Sergeant sent straight from the bowels of hell that takes an instant dislike to her mere presence............. Spike. He's evil, he's mean, he hates her but even worse... he lusts for her. This is not a military fic or even a fic about the military. The Army serves only as the backdrop-setting to the story, so don't shy away from reading.
Criminal Games by Ashlee
William 'Spike' Reed is the most successful art thief on record- and he's never been caught. As one of the most powerful men in the country, he has managed to elude arrest for years while still maintaining a prominent status. When FBI Agent Buffy Summers is assigned to go undercover to capture him, she's entered a game that she's not sure she can win.
Closer and Closer by dampersnspoons (incomplete, but ends satisfyingly relationship-wise)
Spike Pratt is eighteen, pissed off, fresh out of jail and thrust into the arms of his stuffy uncle, Rupert Giles. Their history is unclear to Rupert's co-worker Joyce and her daughter Buffy, but what is abundantly clear is everyone's inability to communicate. The game of push me pull you can only last so long before someone finally gets close enough to make contact. And when they do... what secrets will they find?
By Rook or By Crook by Eurydice
Sometimes, no matter how fast you run, your past always manages to catch up to you. It's 1940, and the streets of Manhattan are the last place on earth ex-hitman William Rook ever expected to find himself again. But one last job has demanded he return, a job that pushes him directly into the path of a certain blonde chanteuse named Buffy Summers, and nothing will ever be the same again.for either of them..
Balancing the Scales by Kantayra
Elizabeth Summers is a rising star in the Boston District Attorney's Office. The only thorn in her side is her ex-boyfriend, William 'Spike' Albrook, P.I. But when Spike is accused of murder, Elizabeth alone rushes to his defense and, in the process, comes to rediscover the fire she left behind in her race to the top.
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