Nightmarexcross Stories

60 Stories

Secrets by The_Lone_Nerd
#1
Secretsby The_Lone_Nerd
Cross is part of Nightmare's gang. She is very quiet and no-one knows anything about her past. She sometimes disappears for a couple hours, but nobody knows where she go...
Criminal Boundaries (An Undertale Sanscest Story)  by __Purple_Fluffball__
#2
Criminal Boundaries (An Undertale...by Crossmare Slut
Sequel to Criminal Conflict! It had been nine years since the criminal gang last met up and did anything illegal. They'd planned on never really seeing each other again...
Nekos (an Undertale Sanscest story) by __Purple_Fluffball__
#3
Nekos (an Undertale Sanscest story)by Crossmare Slut
Dear, Nightmare, Cross, Error, Dust, Horror, Killer, Lust, Reaper, Geno, Ink, Dream, Blue Hey guys, It's me...Sci, So uh, I've just discovered something really cool. And...
Apocalyptic Love (A Crossmare Fanfiction)  by __Purple_Fluffball__
#4
Apocalyptic Love (A Crossmare Fanf...by Crossmare Slut
They first came as individuals, people caught up in the Nuclear blast of Craitown. But people soon realised that the infected numbers were increasing. Cities were swarme...
My Friend Over the Phone by Solaire14911
#5
My Friend Over the Phoneby no
When Nightmare finally tries to mend his broken relationship with his brother Dream, he accidentally misdials a newfound, given unknown, friend. (Quick notice: When I fi...
Art Book  by __Purple_Fluffball__
#6
Art Book by Crossmare Slut
Skdhhxhs bad art, stories for events like Christmas, Valentine's Day etc. Edit: Just art now :'3 Cover credit: me uwu :3
A Mortal's Touch (A Killer x Dream Fanfiction)  by __Purple_Fluffball__
#7
A Mortal's Touch (A Killer x Dream...by Crossmare Slut
For millennia, rules had been set down in concrete for gods and mortals; -No God should ever make contact with a mortal -Bringing mortals to the immortal realm is forbi...
Crossmare Oneshots - (Requests Open) by Adrienne_Lasagna
#8
Crossmare Oneshots - (Requests Ope...by Adrienne Lasagna
Read this, or I'll start shipping Cream. ------------------------------------------------ Cross and Nightmare were both made by Jokublog. ...
{~The Three Deadly Sans'~} Cross x Nightmare by CrazyShipper_23
#9
{~The Three Deadly Sans'~} Cross x...by ༝𝐶𝑟𝑎𝑦༝
*ART ON COVER IS NOT MINE* Okay, This book is inspired by the anime Seven Deadly Sins. This story is completely different from the actual show! It's just that The Three...
A Bean and The Rain by Wolfpsycho101
#10
A Bean and The Rainby (why u here?)
Reaper x Nightmare x Killer x Cross Cross had spent three years on the streets after his house caught fire and he lost his brothers and father in it. he was 13 and lied...
Crossmare Oneshots ( D I S C O N T I N U E D) by RandomGrayCatt
#12
Crossmare Oneshots ( D I S C O N T...by Cattato
Oneshots of my favorite OTP. Request on first page. Fluff, Angst, and maybe Lemons if I'm in the mood. Requests on first page.
Nightmare X Cross | Servant Or Lover? by thetwinsdivine
#13
Nightmare X Cross | Servant Or Lov...by gem divine
This is a story about two skeleton lovers. After they CROSSed paths through a NIGHTMARE. The smaller one had been stuck in an AU called X-Tale, with one person, who doe...
Completed
Ask Crossu And Nootmarr by XGalacticXK12X
#14
Ask Crossu And Nootmarrby 💙
Now has a book of their own, Shippy asks are allowed, dare box is open, dream and kills might pop in, same with ink, error, Geno and Reaper, when they do pop up you can...
Crossed Paths [Kidnapper! Nightmare!Sans X Innocent Cross!Sans] by Ruthko32
#15
Crossed Paths [Kidnapper! Nightmar...by Ruthko
It was unexpected, he couldn't imagine himself being stuck in a place where he's forced to call home. Why? How did it happen? He questioned as he cried silently. It was...
Don't Forget Us by LennyFaceOWO
#16
Don't Forget Usby (>///<)
Cross has amnesia and can't remember anything but his old AU and Chara. (Not in story) When Nightmare found out Cross didn't remember anything, he was devastated. (It ma...
Sanscest #request by SunshineKiller121812
#17
Sanscest #requestby MintyGoth(moth)
You can give requests to All th characters are not mine unless I say some are but full credits for those who made the characters Don't be shy to say a request you may...
When The Line is Crossed ~A Sancest Storyline~ by Sansy1202
#18
When The Line is Crossed ~A Sances...by Sansy1202
Much can be said about different people and their lives. The lives of which can change them so much that it is almost unreal. One by one, the story changes. And one by o...
Loyalty's Lullaby (A Crossmare Fanfiction) by Sukura_Blooms
#19
Loyalty's Lullaby (A Crossmare Fan...by PotatoGravyBirb
It was his destiny. He couldn't change it. He couldn't hide from it. He could only accept. Be loyal, because that's supposedly a good adjective. Even if he didn't want t...
{~Loving My Gang Members Brother~} Cross x Nightmare by CrazyShipper_23
#20
{~Loving My Gang Members Brother~}...by ༝𝐶𝑟𝑎𝑦༝
*Art on cover isn't mine!* If you do not like the ships that will be listed below you have been warned and please don't comment about it I just like the ships. ~CrossMar...