Sans AU One-Shots

Shattered Dream || bad apple.

Pairing: Shattered Dream Sans x Female Reader (& heavily implied: Dream Sans x Reader)
Prompt: Shattered is finally free because of Dream's foolish decision, and while striking up a deal with Nightmare, he meets Dream's lover. She's the perfect little toy, and Shattered wonders just how long he can manipulate her before she breaks - all the while Dream begs him not to hurt her.
Type: angst with a happy ending, toxic relationship on full blast
Length: 4.9k words
Background: Shattered is technically a different person than Dream just like corrupted Nightmare is different than passive Nightmare. (At least for this one-shot, they're different people.) So when Dream got corrupted, his body technically got taken over by the corruption (Shattered), but his conscience remains aware of what's going on.
Notes: Trigger warning because Shattered is mad manipulative and toxic in this one. If any of the manipulation tactics he uses sound familiar to you (like you've heard them before), uh, you might wanna look into that. It's fine to enjoy toxic relationships in fiction, but not a good idea irl. But you're smart so I'm guessing you already knew that. You kiddos deserve better than toxicity like that, anyways. | Honestly this could be an entire story all on its own, but since it's only one-shot length, I gotta condense it. Real shame I don't have more free time, honestly...

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Dream only did it to understand what Nightmare went through, hoping that maybe this would fix their strained relationship. He just wanted to understand, but as soon as he bit into that apple, his body wasn't his own anymore. It belonged to the corrupted being that took control of him, covering him in black tar and mirroring Nightmare's tentacles and one covered eye. Dream didn't die, but the sheer pain he went through as he changed made him wish for it all the same. And when the agony finally stopped, and he looked down at what he'd become, he wished only that he hadn't been so foolish.

"I was wondering when you'd grow desperate enough to come to me," his voice- no, a new voice said. Dream wasn't in control of himself any more, the new entity was. What was going on? "You awakened me when you bit into that apple, and finally, I am free." The new voice let out a sharp, maniacal cackle. Dream could hear this other being's thoughts almost like they were his own, and suddenly he understood exactly what was going on with Nightmare. His passive brother was trapped inside, forced to watch the corruption control his body like a puppet while it hurt others and caused destruction and fear. And now he was trapped as well, and suddenly he understood just what he'd done to the multiverse by letting this being free.

"I wonder, Dream, who I should talk to first." The being controlled his body, making it tap its chin in thought. He tried to resist what it was trying to do, but he couldn't. He was simply a vessel for this other more cruel being, and he could do nothing but watch. "Since this is our first day together, I want to make sure it's memorable." He didn't even realize his own words could sound so evil, and a scared tug on his stomach clued him into the fact that this being's intentions were a direct contrast to his own. He begged the being not to, but it ignored him.

The next second they were in front of Nightmare's castle. Dream's heart sank as the corruption pulled him towards the door, throwing it open with a bang. Immediately multiple skeletons looked up, but not one made a move towards him. They studied him with confusion as he walked past them towards Nightmare, who was glaring at his brother.

Killer leaned against the King's throne, pointing his knife at Dream in confusion. "Dream?"

"Dream's on sabbatical, minion," the corruption snapped cheekily, making Killer's sockets narrow.

"What are you?" Nightmare asked coldly, a tentacle flicking on his back irritably.

"Poor little Dream just wanted to know what his baby brother went through, so he came to me." The being chuckled. "And I showed him exactly that. Now he gets to watch as I give the multiverse a new look for the Positivity Prince. I'm sure everyone will love all the joy I spread before I tear them down." It chuckled, then paused. "I can hear Dream begging me not to hurt you." The King's minions immediately stood to attention, weapons in their hands and eyelights smoking as they waited for it to make a move.