Nightmaresans Stories

Aster Corvus Concord, now known as Sans Serif Gaster, was living a relatively peaceful life having reached the surface. Then it all reset. Now, after living through an e...

After several attempts, Sci finds a way to return Nightmare to his uncorrupted form, turning him good once more. But as soon as Nightmares old team finds out they plan t...

Night, Prince of Dreamtale, is NOT the same thing as Nightmare. Not one bit. The King of Negativity found a way to separate himself from his host, Night. Taking the nam...

A young woman, left alone after her family sadly passed in a car accident, suffers with PTSD and Anthropophobia (Fear of people.) Her only happiness in this world is the...

Nightmare, The King of Negativity, known for being cruel and torturing people. But oddly enough he feels lonely, I mean it must be hard when his only friend Error is alw...

Random scenarios and stories of sanscest ships. Some happy, some sad. Some long, some short. Nothing is perfect, nothing is complete. They come, they go. I'll try to gra...

Eh, why not! Cover is mine! Took me a while to make it, but I know it looks bad. U-U Ratings: #1 in Dussic as of 8/3/2020 #50 in Undertale as of 8/28/2020 #6 in Classic...

The star sanses see their secrets discovered little by little by the bad sanses. The characters are not mine, only the story.

A women who loves children dies and is face to face with the decision to reincarnate as nightmare sans if she allows herself to be Karmas chosen child. 'Fgod error belon...

Nightmare was as usual, in his castle. He didn't know that for months, he was watched by a golden bird, name Swad.

3 years... There's been a truce for 3 years. Dream enjoys the fact that his friends a happy. But Dream is Depressed because no one likes him for him, people just like hi...

Nightmare has died while eating the apple of negativity, and now, Julie as woken up as a female goopy skeleton. Suddenly, Dream attacks! Now known as Moon, she has a mi...

Cherry, an unusual swap-sans type, draws the attention of Dream and Nightmare when he is left the only survivor in his underground. With his Papy's gaster blasters follo...

Nightmare has corrupted the Tree of Feelings, and doesn't know what to do. Out of pure fear of what his brother would do to him, rather than eating an apple, he runs. He...

Whose dream isn't it to end up in one of their favorite games or series? When you know so much about it, how much can go wrong? A lot, apparently. [Aside from my Ocs, I...

The multiverse decided, "Ayo, Imma need to make a whole other living thing to handle this Balance shit yo." Though there are restrictions, your boi is out in t...

After being trapped in a research facility for their entire life, babybones Cookie finally finds himself in the ocean, free to explore the place that should always have...

■Updates monthly■ who else is better for nightmare then himself

A fanfic/story of Nightmare and children bad guys! All of the bad guys are children excluding Nightmare and Error. This is a story of Nightmare being a parent. I am ter...

dream gets kidnapped during a fight, his aura gets thrown off with all the negative emotions but his aura does attract the other bad sans(platonic unless) he keep throwi...