Undertale Au x Reader

Nightmare x Coma!Reader

Hey just to warn you guys there is suicidal thoughts, and blood, and gore littering this entire fucking chapter love you!

Yes yes, not back but writing a few chapters for you guys and gals.
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Nightmare walked back and forth in his void humming stroking his jaw with his inky tentacle. He'd been finding some people to haunt, but who would be a good target. There was several people some that were sleeping. Some that were napping then his eyes went to one seventeen year old girl, who was sleeping in a hospital gown with tubes all over her arms. Leaning closer he wanted to listen, "She's been in a coma for a few weeks now so this rate I'm afraid she won't wake up." He narrowed his eyes, a coma? He thought before he glanced at her again. She has fair (s/c) skin, and short (h/c) hair that had been cut recently. Also scars littered her wrists some new. He leaned back in the air, trying to piece everything together, she wasn't in a coma if she is it's only been a few days now, because that's how old those self inflicted wounds are. He grinned going into her minds-cape she was swinging on an old swing. The clouds were grey, and it looked like it was about to rain, her minds-cape was pretty large. As she kicked herself off the swing she started heading up a hill. To a small looking house he only followed somewhat far behind he didn't want to be noticed that's when he saw her remove a blade from her dress bringing it up to her wrist she cut deeply not caring for the result as the blood flowed from her delicate wrists. He narrowed his eyes at her he was enjoying her self torture so he leaned back in the air watching as he stayed like that for a while before she tried to slice her throat he grabbed the blade throwing it down the hill she seemed to notice running down she slipped on the wet mud. He was invisible to her though she bored him greatly why wasn't she more interesting like the others that screamed and begged to be let go or to be saved from some stupid hell they created for themselves it was pissing him the fuck off. Bringing a tentacle to his forehead he scrunched his non existent eye brows she was pissing him off the man who controlled the fucking nightmare relm was pissed off. As he growled his mind filled with ways to torture her then he got an idea she had a fear of sex with men right he could always forcibly rape her? He shook he head quickly he wasn't sure if he wanted to stoop that low yet. As he glanced at her he chuckled she was cradling the knife like a child in her hand as she dropped to her knees she felt helpless he wanted to feed off her misery more, and more.  For, some off reason he was getting turned on by the thought of raping her popped into his mind again he shook it quickly as a budge appeared in his shorts bringing his skeleton hand to cover his teeth trying to hide his blushing skull. Shit what was he thinking about doing his own fantasies of rape, and forced bdsm was playing to and fro in his mind. His once good side begged for him to listen, and not hurt her. But, he was leaning more into the side of his current self that wanted no more than to watch one suffer, or scream his name for him to stop. Shaking his skull back, n' forth he tried fighting the many voices that started screaming at him to do wrong or good things he wanted to listen to neither yet the bulge in his shorts kept growing.

"Fuck, fuck, fuck!" He yelled out in annoyance only to freeze as his eyes met hers she laid frozen unsure either to move or  stay staring at a beast she's never seen, but in fantasy, "What are you looking at brat." He growled out at her as she scrambled to her feet trying to get away from him from fear. On reflex his tentacles wrapped around her limbs as twisted thoughts entered his mind of how he could abuse her, torture her, maybe even kill her. It surely was tempting just to snap her neck right here, and right now but, what fun would that be? His grin widened as he clenched on her delicate flesh he got a flash of ripping her eyes out from her sockets. Then he paused what if he made a monster? Another skeleton that could be just like him a woman he could mate with, without the annoying flesh in the way?

A demonic chuckled escaped his teeth, and she froze trying to do what ever she could to attempt to get free only for him to tighten his disgusting grip on her. He didn't care who she was, what she was or how sad her life is.  He wanted some fucking thrill of hurting someone besides Blue. Besides, I mean this isn't the real world it's just a nightmare right. Nothing really would be able to happen right? He kept trying to reassure himself as he thrusted his fingers through her left eye he listened to her delicate screams as they became high pitched his covered her mouth. She was annoying him now more than she was doing before.  As she thrashed around he growled out, chuckling deeply. "Don't watch it I'll snap your neck little dove." And she immediately froze scared for her life though she has no idea that's what he was about to do he was bored of her now. Annoyed even by her voice, her body, her everything it all annoyed him to the point he placed both hands wrapped around her pretty little neck. He squeezed  chuckles sooned turned to laughter as he watched her eyes roll in the back of her head he let go at some point after she stopped squirming only to hear screaming from her room. As he dropped her limp body he peeked into her bedroom to see her going into shock, and convulsing violently. Staring blankly he shrugged as he began to float away he was tackled to the ground by someone or something. Looking back he saw her with such a rage in her eyes he swore he's only seen on his brother Dream. Rolling sockets he pushed her off, "I got no time for puny mutts like you come back me when you actually become someone worth fighting brat." He said to her as he vanished she laid shaking as her parents screamed at her limp body that held no heart beat she would get revenge on this demon one way or another.

[Part one I'll continue it if you want? I thought it was kinda shitty tho]