we'll make this work -- (Error x F!Dream)

chapter 5 -- unexpected visits

((Trigger Warning – Lime content at beginning))

Written: Aug. 21, 2021

Edited: Aug. 21, 2021

Words: 2093

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"...Oh, um, Error I have to go," Dream said, fidgeting with her phalanges nervously.

Killer listened to the rest of the dialogue play out in mild amusement. Once the two left, he stood up from his hiding place and stretched.

This is interesting, he thought to himself. Didn't expect Dream and Error ta be meetin' up. Maybe Ink or Blue and him, but never Dream. 'Specially since she's Nightmare's sister. Even if he's cold and doesn't seem to care about her, he's still pretty overprotective.

Killer straightened up and opened a portal, strolling through casually. He arrived back at Nightmare's Castle and walked down the corridors, left, right, left, left, up these stairs, right again, seeing as it was the right way to go. He laughed to himself at his own joke.

Soon enough, he arrived and knocked on Nightmare's study door. No answer. He knocked again, harder this time. Huh. Must be in his room or somethin'.

Killer turned on his heel and marched down the hall to Nightmare's bedroom. He knocked on the door. No answer. Welp. He told me to tell him what I found as soon as possible...Sooo I'm sure he wouldn't kill me if I interrupted...

He opened the door slowly. The room was pitch black. Killer reached for a light switch next to the door, but instead of the metal switch he felt something warm and goopy. He jumped back and took out his knife upon instinct, whipping his head in front of him as the light switch was turned on (though it was very dim and didn't do much to help).

He saw Nightmare standing in front of him, taking a step closer with an expression even he couldn't read right. Killer stepped back and his back hit the stone wall. Crap. Wait, no, not crap - I have a plan-

It wasn't much of a plan.

Forgetting everything, Killer held up his knife and tried to cut one of Nightmare's tentacles, though only succeeded in getting his knife knocked out of his hand. The black tentacles grabbed both of Killer's wrists and held them against the wall above his own head.

"What the Hell do you think you're doing, barging into my bedroom like this?" Nightmare snarled angrily, his face nearly a foot away from Killer's.

Killer struggled to get out of Nightmare's grasp, but let out a grunt when he realized it was no use. Killer glared at him and stuck out his tongue, a childish response to being bested.

"Oh, are you certain you want to play that game?" Nightmare hummed, a smirk forming to his mouth in place of the frown from before. He shut the door and locked it.

Killer's eyes widened and he turned his head from the door to his captor. "W-wait, wait I don't wanna-"

Nightmare put a finger to his mouth. Killer felt his face heating up and tried to free himself again. Nightmare tightened his grip and leaned in, kissing him slowly. Killer was shocked and had no idea how to respond. Nightmare slipped his tongue inside the other's mouth, swirling it around and feeling every nook and cranny he could. Killer shivered and moaned softly, surprising both of them. Nightmare pulled back and leaned down further, trailing kisses down the other's exposed neck.

Nightmare pulled back slowly and let him go. After a few minutes of letting Killer calm down and scold himself for making the sound from a kiss, Nightmare asked what he had wanted.