I have found quite a few that fit your critera... ill continue to look out for them for you aswell.. Beth xxx
Spuffy RealmCentering by PennyDrdful Rated: NC-17
Summary: Post-Intervention, The monks never managed to get the Dagon Sphere to Sunnydale. Thanks to his own research, and full access to the Council's resources, Giles has discovered its existence and location in Elk City, Oklahoma. Viewing it as imperative in the defeat of Glory, he sends Buffy and Spike on a road trip to recover it. Anger, snark, and UST ensues.
Categories: General/Canon Characters: None
Genres: Romance, Action, Angst Warnings: Violence, Adult Language, Sexual Situations
This is on here(Completed), but the Link is below...
http://spikeluver.com/SpuffyRealm/viewstory.php?sid=27365&warning=NC-17Intervention by Immortal Rated: NC-17
Summary: Starting during season fives 'Intervention' and going from there. Buffy gets a little carried away when she's pretending to be the bot.
Categories: Porn with Plot Characters: None
Genres: Romance, Angst Warnings: Sexual Situations
This is on here too(Not completed unfortunatley), but the Link is below...
http://spikeluver.com/SpuffyRealm/viewstory.php?sid=31020Once Upon a Dream by TammyAsh666 Rated: PG [Reviews - 15]
Summary: A not so average fairytale that takes place after "Intervention." Buffy is attacked and poisoned while on patrol, Spike possibly being the only one to save her, but will he figure it out before it's too late?
Categories: General Fics Characters: None
Genres: Romance Warnings: None
This is on here(Completed), but the Link is below...
http://spikeluver.com/SpuffyRealm/viewstory.php?sid=32744Poison by elizaB Rated: PG [Reviews - 29]
Summary: Post Intervention. After surviving torture at the hands of Glory, a weakened Spike is poisoned in a demon attack. The only cure is the blood of the Slayer, leaving Buffy faced with a difficult decision: Is Spike just a vampire, or is he the man who protected her family out of love?
Categories: General Fics Characters: None
Genres: Romance, Angst Warnings: None
This is on here too(Not completed unfortunatley), but the Link is below...
http://spikeluver.com/SpuffyRealm/viewstory.php?sid=26546Stargazing Is For Lovers by Allison Rated: PG [Reviews - 24]
Summary: After the events in "Intervention", Buffy takes time out during patrol one night and considers everything that has happened and will in the future. Spike comes upon her, and a surprisingly sweet conversation takes place.
Categories: General Fics Characters: None
Genres: Romance Warnings: None
This is on here(Completed), but the Link is below...
http://spikeluver.com/SpuffyRealm/viewstory.php?sid=11717Sweet Release by Tami Brandt Rated: NC-17 [Reviews - 5]
Summary: This is a stand alone scene based on Season 6, Episode 9 WRECKED and the look Spike gives Buffy in the 'Intervention' scene and after the 'Identity Crisis' scene.
Categories: Porn w/o Plot fics Characters: None
Genres: Romance, Angst Warnings: Adult Language, Sexual Situations
This is on here(Completed), but the Link is below...
http://spikeluver.com/SpuffyRealm/viewstory.php?sid=15004Whispers by Abby Rated: NC-17 [Reviews - 32]
Summary: After Spike endures torture at the hands of Glory to protect the identity of the key, Buffy is forced to reconsider everything she ever thought she knew about the vampire, leading to some startling revelations. Takes place immediately post-Intervention.
Categories: General Fics Characters: None
Genres: Romance, Angst Warnings: Adult Language, Sexual Situations
This is on here(Completed), but the Link is below...
http://spikeluver.com/SpuffyRealm/viewstory.php?sid=34083