Crossmare Stories

1.1K Stories

Mr.  Erratum by CrimsonOrRetry
Mr. Erratumby Crimson/Retry
Error can take it no longer. After centuries of Pain and suffering, Error no longer cares what happens to the people who caused him pain, and now wants to leave the plac...
High School: An Overdramatic Representation (A Multiship Story) by TheAnonymousKitten
High School: An Overdramatic Pirate AU Central
THE SANSES ARE IN HIGH SCHOOL ----- Yes I know the cover is shit, I drew it with my finger on my phone in an hour Undertale belongs to Toby Fox. All the AU Sanses belong...
My Friend Over the Phone by Solaire14911
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...
Worlds Collide (SANSCEST MULTISHIP) by MiraiShiaki
Worlds Collide (SANSCEST MULTISHIP)by Afterdeath_14
"It's so nice here, when I grow up, I want to stay here and be like Father! I'll take care of the children!" "Yeah but... are the other kids happy? When t...
The Outcodes by Sofie2you
The Outcodesby Sofie2you
Would you change the whole world for a simple no one? Guess some people would... Or have. There were many famous Au's changed by the sudden disappearance of the Destroye...
AU ship oneshot by Starfox543
AU ship oneshotby Star
First one shot book just to get ideas out of my head: If you have an idea for something like a oneshot i might just make it for you but if it is a really good idea i may...
Forgotten... (a sanscest story) by destructive_bean
Forgotten... (a sanscest story)by destructive bean
Monster finally got their happy ending on the surface. ... or did they? One by one monsters are dissapearing without a trace and the humans aren't doing anything to help...
A.L.P.H.A Clan  by PotatoOfChaoss
A.L.P.H.A Clan by ✨im tired✨
SEQUEL TO SPIRIT ANIMALS After the skeletons ignore a plea for help, the leaders of the A.L.P.H.A Clan kidnap them and take them as prisoners. They are forced to train t...
Mafia (A Sanscest Murder Story) by x_K16_x
Mafia (A Sanscest Murder Story)by x_K16_x
Hello! If you're reading this, chances are you've been invited to hang out with me and a whole bunch of other sanses for a fun little game. Who am I you may ask? Many ca...
Crossmare - Empires of The Moon and Sun by GraciePlaysMinecraft
Crossmare - Empires of The Moon UndertaleAUWriter
Okay now this is a Crossmare story, but it's a special Crossmare. It's based on the Empire of the Moon and Empire of the Sun (It's actually all based on the undertale Em...
Homecoming - Sanscest Multiship by F_Thornton
Homecoming - Sanscest Multishipby Faith Thornton
Someone let out a massive explosion. The aftermath flew through the Multiverse, hitting many people in its path. Those who were hit were changed into a human and their...
Loyal Servant (CrossMare) by AppleBloomer1
Loyal Servant (CrossMare)by Im Applebloom. Deal with it h...
Cross was a loyal servant to Nightmare, even proving he would give his life to save his king. Nightmare had plenty of secrets hidden within himself. Until a small fit o...
Wolftale AM by MultiverseSquid
Wolftale AMby Ink Roller
A wolf version of the Multiverse AM-Alternate Multiverse. It's the Multiverse with Nightmare's Pack and some deer. Has Sans x Sans shipping, don't like that don't read.
Teach Me How to Love(Crossmare) by Maple_Originals
Teach Me How to Love(Crossmare)by Maple or Liz
Love comes in all forms, it can be sweet and gentle, it can be possessive and overwhelming, it could even be dangerous. Love, changes people, for better or for worse... ...
The Seas Call by LifeIsWeird3153
The Seas Callby Hungry-Boi
Cross was a very popular blacksmith in a little town called "Underville" he gets visited everyday by Kings and Queens, Princes, sometimes Princesses. But one d...
Old Mansion (a Sanscest story) by Lazy_alien_cat
Old Mansion (a Sanscest story)by Izzy
Looking for a creepy place to play games, Nightmare brought his friends to an abandoned mansion, ignoring the rumors about it being haunted. It didn't take long before w...
Switch (crossmare)  by discontinueeed
Switch (crossmare) by Plant momma
If you like Nightmare being a smoll who is now in the story plot that Cross usually is and a Cross that's now basically nightmare then you are in luck cause this book is...
Forget [crossmare story/Slow] by Zukiyuu
Forget [crossmare story/Slow]by Zukiyuu
Cross wanted to die after his au turned into a void he wanted to make a way to restore it but can't... As he tried to find a way to distract himself... He finds out a se...
Sanscest Oneshots by carelesscreativity
Sanscest Oneshotsby CarelessCreativity
Ah shit, here we go again. Once more, the title says all.