Title: Darkly Loyal
Author: Keira Marcos
Fandom: Harry Potter
Relationship: Harry Potter/Hermione Granger/Draco Malfoy
Rating: NC-17
Word Count: 181,154
Body Count: 73
Warnings: Violence, Explicit Sex, Dark Themes, Temporary Main Character Death, death of a pregnant character, homicide, and permanent character deaths.
Summary: They call him Blackmoor. They call him a dark lord. They only have themselves to blame for the man Harry Potter became. When the Light Movement strikes a personal blow in their efforts to control him, Harry will risk everything to take back the life stolen from him.
Continue reading
Author: Keira Marcos
Fandom: Harry Potter
Relationship: Harry Potter/Hermione Granger
Genre: Romance, Alternate Universe
Rating: NC-17
Current Word Count: 386,028
Summary: Rescued from his Muggle relatives before the age of five, Harry Potter was raised abroad by his adoptive father, Lord Sirius Black. At sixteen, he returns to Britain to attend Hogwarts for his NEWTS and to meet the young witch who he’s known to be his soulmate since he was eight years old.
Continue reading
Title: The Trunk
Author: Keira Marcos
Prompt: Thursday Vignettes (The Big Short on Facebook)
Fandom: Harry Potter
Relationship: None
Rating: G
Word Count: 800 (complete)
Warnings: Reference to child neglect/abuse
Summary: Someone special follows Harry home from Diagon Alley.
Continue reading
Title: Flight
Author: Keira Marcos
Fandom: Harry Potter/The Sentinel
Pairing: Harry Potter/Draco Malfoy
Rating: R
Word Count: 20,218
Summary: The night of the Third Task, Draco makes a decision that changes everything.
Continue reading
Title: Gravity
Author: Keira Marcos
Fandom: Harry Potter/The Sentinel
Pairing: Harry Potter/Hermione Granger
Rating: NC-17
Word Count: 22,271
Summary: When Ron abandons them during the war, Hermione and Harry make a drastic choice to survive. The sentient magic of an old ritual circle in Godric’s Hollow will either be their salvation or the death of them.
Continue reading
Title: What Lovers Do
Author: Keira Marcos
Fandom: Harry Potter
Pairing: Harry Potter/Hermione Granger
Rating: NC-17
Word Count: 30,966
Summary: Harry Potter finds out the hard way that dirty little secrets don’t stay buried forever when a little souvenir from a liaison in anonymous sex club reveals the identity a submissive he topped for a year. He really should’ve known the moment he put his hands on her. He’s already laid claim to her body; now he has to figure out how to win her heart.
Continue reading
Title: The Subtle Body
Author: Keira Marcos
Fandom: Hawaii 5-O/NCIS/The Sentinel
Relationship: Steve McGarrett/Tony DiNozzo
Genre: Urban Fantasy, Paranormal, Sentinel Fusion
Summary: Steve McGarrett’s unwitting rejection of a Guide he’s never met in the week that he comes online leads him to a cursed path that is unspeakable for a Sentinel. He can do nothing but endure and protect the Guide meant to be his the best way he can—no matter what form his body takes.
Continue reading
Title: The Legacy
Fandom: Harry Potter
Pairings: James Potter/Lily Potter, Sirius Black/OFC, Frank Longbottom/Alice Longbottom
Rating: R (violence, language, adult themes)
Word Count: 61,067
Summary: James Potter took his family into hiding abroad when the prophecy was revealed. Hidden for nearly seven years, the Potters come home when it’s announced that Tom Riddle has been captured. Their return brings changes to magical Britain that no one is prepared for.
Continue reading
Author: Keira Marcos
Fandom: Stargate: Atlantis
Pairing: McKay/Sheppard
Rating: NC-17
Warnings: Explicit sexual content, canon level violence, minor character deaths, brief mention of torture
Summary: The Revenant—eternal spirits—have merged with the people of earth for thousands of years. To some, the joining of two souls is an honor, and to others, it is a nightmare. The enduring existance of the Revenant is Earth’s most guarded secret and her best weapon against any species that would wish to conquer her. Gais Marius is one of the oldest Revenants to continue to seek a physical existence. Things take a dangerous turn in Pegasus when he is forced to seek a new anchor.
Continue reading
Author: Keira Marcos
Fandom: Stargate: Atlantis
Characters: Meredith McKay, John Sheppard
Genre: Romance, Rule 63, AlwaysAGirl!McKay
Warnings: Adult themes, language, etc.
Summary: Colonel John Sheppard’s fascination with Dr. Meredith McKay takes a turn when he’s offered a mission in another galaxy at her request.
Continue reading
Author: Keira Marcos
Fandom: Stargate: Atlantis
Relationship: McKay/Sheppard
Genre: Hostile Romance, AlwaysAGirl!John, genderbending
Word Count: 1481
Summary: McKay hadn’t known what to expect as far as replacements went for Sumner who had died during the siege—but it hadn’t been the green-eyed Air Force officer they’d gotten.
Continue reading
Author: Keira Marcos
Fandom: Stargate: Atlantis
Characters: Rodney McKay, Jennifer Keller, John Sheppard
Genre: Pre-Slash, Future Fic
Word Count: 1343
Summary: If he were honest.
Continue reading
Author: Keira Marcos
Fandom: Star Trek: AOS
Relationship: Kirk/Spock
Genre: Established Relationship
Word Count: 850
Summary: Jim was the luckiest of men.
Continue reading
Author: Keira Marcos
Pairing: McShep (many other secondary pairings)
Genre: Romance, BDSM
Rating: NC-17
Series Word Count: 402,190
Warnings: Graphic sex, anal play, BDSM, violence, and exhibitionism (does any of that really make you not want to read it?). If you don’t like this kind of thing—just don’t read it. Seriously. Evil!Carter. Marine!John. PLEASE READ THE AUTHOR’S NOTES.
Summary: After the death of his submissive, Colonel John Sheppard spent four years alone. Grief and anger pushed him and made him even more ambitious in his career. Taking Dr. Rodney McKay into his life and his bed was supposed to be a political maneuver–but then he met the man and everything he thought he wanted changed in an instant. (BDSM AU)
Continue reading
Title: Let Them Try
Author: Keira Marcos
Fandom: Aliens
Pairing: Hicks/Ripley
Genre: AU
Summary: She has a family now.
Continue reading
Title: Sparky
Author: Keira Marcos
Big Short Prompt: Gun
Fandom: MCU
Word Count: 563
Summary: Darcy’s first day at SHIELD goes just about how you’d expect.
Continue reading
Title: Unlucky Girl
Author: Keira Marcos
Fandom: MCU
Characters/Relationship: Darcy Lewis/Bruce Banner
Summary: Darcy + SHIELD was just an accident waiting to happen.
Continue reading
Author: Keira Marcos
Fandom: NCIS/Hawaii Five-0
Relationship: Steve McGarrett/Tony DiNozzo
Word Count: 13,458
Summary: Tony’s long distance flirtation with Alpha Sentinel Steve McGarrett comes to a head when a procedural violation puts his life in danger.
Continue reading
Author: Keira Marcos
Fandom: Harry Potter/The Sentinel
Relationship: Harry Potter/Hermione Granger
Rating: R for adult themes and language
Word Count: 14,691 (complete)
Summary: Harry comes online as a Sentinel after the war and is forced to face some very difficult realizations about the people around him.
Continue reading
Title: Wrath
Author: Keira Marcos
Beta: Jilly James
Fandom: Star Trek: AOS
Relationship: Kirk/Spock
Rating: R
Warnings: Violence, adult themes, minor character death
Word Count: 14,424 (complete)
Summary: Generations after the assumed extinction of Sentinels and Guides, Spock comes online as a Sentinel.
Continue reading
Author: Keira Marcos
Big Short Prompt: Original Female
Fandom: Harry Potter/The Sentinel
Genre: Alternate Universe, Gen
Word Count: 1,812
Author’s Note: I’d cast Mary-Louise Parker as my OFC.
Summary: Albus Dumbledore gets a bit of a surprise when he comes to check on Harry Potter.
Continue reading
Author: Keira Marcos
Fandom: NCIS
Characters: Tony DiNozzo, Jethro Gibbs
Genre: Gen, AU, Chained Tag
Word Count: 546 (complete)
Warnings: No beta
Summary: The cost of pity can be high
Continue reading
Author: Keira Marcos
Big Short Prompt: Survival
Fandom: The Hobbit
Relationship: Thorin Oakenshield/Bellarose Baggins
Genre: Alternate Universe, Rule 63
Word Count: 979
Warnings: No beta
Author’s Note: I picture Annabelle Wallis as the female version of Bilbo.
Summary: Bella tries to leave, and Thorin thinks that’s just hateful.
Continue reading
Author: Keira Marcos
Fandom: Stargate: Atlantis
Characters/Relationship: Past Sheppard/OFC
Genre: Gen, Alternate Universe
Word Count: 1993
Warnings: No beta
Summary: A personal situation on Earth changes John’s life for pretty much ever.
Continue reading
Author: Keira Marcos
Fandom: NCIS
Genre: Gen, Boxed In Tag
Word Count: 1,354
Warnings: No beta
Summary: Losing isn’t an option for Anthony DiNozzo, Jr. You can probably blame his father for that.
Continue reading
Author: Keira Marcos
Fandom: Harry Potter
Relationship: Harry/Hermione
Genre: Romance, AU, Soap Box
Word Count: 964 (complete)
Summary: Hermione decides a boyfriend will solve her problem.
Continue reading
Title: Riot Bar
Author: Keira Marcos
Big Short Prompt: John Sheppard
Fandom: Stargate: Atlantis
Relationship: McKay/Sheppard
Genre: Slash, Romance, Trio Tag
Word Count: 1552 (Complete)
Warnings: No beta
Summary: McKay’s ill-tempered and John’s a little insecure.
Continue reading
Author: Keira Marcos
Fandom: Criminal Minds/Numb3rs
Pairing: Penelope Garcia/Ian Edgerton
Word Count: 1157 (complete)
Summary: Come to find out, dudes apparently couldn’t care less about matching pajama sets.
Continue reading
Author: Keira Marcos
Fandom: Harry Potter
Genre: Romance
Relationship: Harry Potter/Hermione Granger
Word Count: 745 (complete)
Summary: Hermione’s mother educates her daughter in a blunt fashion.
Continue reading
Author: Keira Marcos
Fandom: Harry Potter
Characters: Harry Potter, Hermione Weasley
Genre: Time Travel
Word Count: 1,000 (complete)
Summary: A man with nothing to lose is capable of anything.
Continue reading
Author: Keira Marcos
Fandom: Hawaii Five-0/NCIS
Genre: Pre-Slash
Word Count: 1059
Warnings: no beta
Summary: Very Special Agent Tony DiNozzo gives Steve McGarrett some advice that changes everything, just a little.
Continue reading
Author: Keira Marcos
Fandom: NCIS
Genre: Gen, Semper Fidelis tag
Rating: PG-13
Word Count: 743
Summary: Fornell does what Gibbs should’ve done.
Continue reading
Author: Keira Marcos
Fandom: NCIS/Hawaii Five-0
Relationship: DiNozzo/McGarrett
Genre: Slash, AU, Aliyah tag
Warnings: No beta, language
Summary: Tony likes Hawaii and all the perks that came with it.
Continue reading
Author: Keira Marcos
Fandom: Stargate: Atlantis
Relationship: McKay/Sheppard
Genre: PWP, Porn
Rating: R (sexually explicit content)
Warnings: no beta
Word Count: 987 (complete)
Summary: Rodney never gets nice things, except when he does.
Continue reading
Author: Keira Marcos
Fandom: MacGyver (2016)/Criminal Minds
Relationship: Jack Dalton/Spencer Reid
Genre: Porn, Slash
Word Count: 1040
Summary: Jack Dalton is the patient sort.
Continue reading
Author: Keira Marcos
Fandom: Stargate: Atlantis
Characters: John Sheppard, Rodney McKay, Jeannie McKay Miller
Genre: Romance, Slash
Word Count: 741 (complete)
Warnings: No beta
Summary: John is adept at picking the right weapon for the job..
Continue reading
Author: Keira Marcos
Fandom: Stargate: Atlantis
Characters: Rodney McKay, John Sheppard
Genre: Pre-slash
Word Count: 1,000 (complete)
Warnings: No beta
Summary: John and Rodney get stuck in a cave and have a little heart to heart.
Continue reading
Title: Courting Hermione Granger
Author: Keira Marcos
Fandom: Harry Potter
Relationship: Harry/Hermione
Genre: Alternate Universe, Romance
Word Count: 90,741
Summary: Hermione Granger’s return to Britain after years abroad causes a stir in the British Ministry of Magic but it’ll be Harry Potter’s courting overture that will change her life.
Continue reading
Author: Keira Marcos
Fandom: Stargate: Atlantis
Relationships: McKay/Sheppard, Lorne/Heightmeyer (background), McKay/Keller (previously)
Genre: Romance, Time Travel, Dimensional Travel
Warnings: Permanent minor character death, temporary major character death, canon typical violence
Rating: R (language, violence, and explicit sex)
Word Count: 41,464 (complete)
Summary: They lost Atlantis and life on Earth is a misery. They both having nothing left to lose and gamble everything on an untested device for an opportunity at a second chance.
Continue reading
Author: Keira Marcos
Fandom: MCU
Genre: Gen
Summary: Just a little slice of life fic where Tony has two kids that the Avengers were completely unaware of.
Continue reading