Best Mature Fake Marriage Fanfics
The 10 most-loved mature fake marriage fanfics on AO3, ranked by kudos. The performance demands real intimacy — shared beds, learned habits, convincing tenderness — until neither party can locate the line where pretending stops.
Top 10 Mature Fake Marriage Fanfics
Ranked by AO3 kudos. Every fic on this list is tagged with fake marriage and rated Mature.
Thirty-Eight Days and Counting
by thecommodore_squid (orphan_account)
It didn’t escape him that Steve shared his assumed last name. “Are you gonna be my cousin?” Bucky asked dully.Steve frowned. “Husband, actually,” he said easily, holding up his left hand to show a typical golden band.Bucky scowled and closed the door.AKAAn AU in which Bucky is put in the witness pro
the cost of a thing
by quiettewandering
16 months ago, Cas became human. 12 months ago, Cas left the bunker and a broken-hearted Dean behind.Now they must work a case together, where married couples are dying mysterious deaths and the only way to earn the neighbors' trust is by pretending to be married. Slowly, Dean finds that he loves be
New Romantics
by the7print
"We’ll call ourselves the new romantics: partners in crime, 21st century millennials making money out of marriage. Like a movie, but in real life."What do you do when you're set to inherit billions from your recently deceased grandfather's will, but only on grounds that you must be legally married?
unorphaned (in our northern lights)
by morningsound15
Faith doesn’t notice anything strange until the next morning, when they wake up in bed together. In another time. In another world. In a world where they’re married and living together and raising Buffy’s little sis and everyone’s walking around treating the situation like it’s fine and good and nor
Backwards
by Mafy_mod
Todoroki wanted to permanently get rid of all conversations and plans for an arranged marriage imposed by a family tradition. Bakugou wanted to fabricate a scandal to get a break from villain recruitment attempts once and for all.Didn't that mean their current goals and needs were aligned perfectly?
Play It By Ear
by mx_sinisters
A year after the fall of the Red Dragon Syndicate, life on the Bebop has gone back to normal for everyone. Everyone except for Faye. Memories from her past are constantly making unwelcome appearances and things have been awkward between her and Spike since his recovery. Just as she's about to accept
The Blueprint to Us
by hato96
One sick kid, a sudden storm, and the one lobby Jimin never should have stepped into. He was just trying to stay dry; he didn't expect to save a CEO’s son or be noticed by Jeon Jungkook.
Wicked Game
by RomanoffRogers4
Alternative Universe. Justice League Unlimited. Fake marriage. Enemies to lovers. Bruce Wayne is the world's youngest billionaire, a position he's held since he was eight. The CEO of Wayne Enterprises is known for being an incorrigible playboy, with nocturnal habits and a penchant for national scand
Bright Hearts
by MuseumCat
Deacon and Nora decide to go undercover and investigate a settlement run by a charismatic but dangerous leader. Danse crashes the mission, worried the cult may be building a super-weapon.
A Night at the Inn
by pleasantwasteland
In the morning they had a date with the crimson horror. Tonight, in 1892, the Doctor and Clara Oswald walked arm in arm down a cobblestone street in Yorkshire, looking for a place to stay.
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About This List
This list of 10mature Fake Marriage fanfics spans 907,709 total words. Kudos range from 13 on the newest entries to 13,284 on the most established. 60% are marked complete — check the status flag before committing to a longfic. The most common rating is Mature (10 of 10 fics).
Recurring tags across this list: Fake Marriage · Fake/Pretend Relationship · Post-Traumatic Stress Disorder - PTSD.
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