Warnings: dubcon/noncon, sexual abuse, blood drinking, predator-prey relationship, vore

Pairing: Undertale Papyrus and Undertale Sans

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Sans looked up from the cold, stone floor of the cellar, smiling tiredly at the figure framed at the top of the stairs.

Papyrus's tall, lean frame looked imposing as he walked down the stairs, crimson eyelights never leaving Sans's small form. He approached the small figure, eventually coming to tower over the figure sprawled on the cold floor.

"Papyrus.." Sans said, his voice holding all the love of a brother to their only family. He smiled up at the towering figure, even as Papyrus returned his smile with an emotionless stare.

Papyrus bent down, getting onto his knees to get closer to the smaller skeleton. Although any other person would've scooted far away by this point, Papyrus's unnerving manner driving them away, Sans stayed where he was.

He pulled the smaller figure into his lap, running his hands over Sans's naked bones. Sans gasped quietly, but he lay his skull on Papyrus's chest. So innocent. So trusting.

Papyrus's sharp claws began to dig deeper into the fragile bone, leaving lines of red in its wake. Sans cried out softly, but he didn't pull away, continuing to lay, trusting, in his brother's lap.

Blood was leaking thinly from the long cuts into his arms. Papyrus leaned down and began to lap up the blood as it bubbled from Sans's wounds, fangs glinting in the darkness.

He ran his fingers over the fragile bone of Sans's neck, testing the viability there. Sans's breath hitched, but otherwise, he continued to stay relaxed in his brother's embrace.

Papyrus braced his fangs against the soft bone, sharp teeth sinking easily into the ivory. Sans cried out weakly, eyelights dulling slightly as he felt his blood and magic drain from his body. But he hung onto the taller skeleton, never once trying to push him away.

Papyrus finished drinking, releasing the smaller skeleton from his grasp. He dropped him unceremoniously on the floor again, leaving without a word.

Papyrus was back again. He came back everyday to feed. He knew Sans would always be there. He made sure of it, locking the smaller skeleton in the cold, dark cellar.

The small skeleton looked up upon his entry, greeting him with the same brilliant smile each time. He shivered with cold, for he had no clothes to help cover him. And he was starving, for Papyrus never brought him any food. He hadn't eaten in a long time.

It was a different story for the other.

Papyrus stared at the small, frail skeleton in front of him, eyelights intense as he surveyed his food with unattached apathy. He sat back down, bringing the frail skeleton into his lap again.

Sans smiled softly at the taller skeleton, cupping his face in his hands. "My beautiful baby bro. I love you so much." He crooned, brushing his fingers gently along the other's cheekbone.

Papyrus continued to stare at him, detached and uncomprehending. His hand came up, gripping the small skeleton's arm at the elbow. With a sickening crack, he broke it.

Sans wailed in anguish, letting his hands fall to hold onto his broken limb. The bone was cracked down the middle, hanging at an unnatural angle. Blood began to drip steadily out of it in a larger quantity than before. He stared at the break, shivering from the loss of blood.

Papyrus yanked the other skeleton's arm closer roughly, wringing a sharp cry of pain from the other. He licked at the blood dripping down his arm, capturing each drop before it could hit the ground. Sans whimpered in intense pain, but he didn't fight against the bigger skeleton, allowing him to lick and bite at the injured arm.

Sans eyelights were hazed over with pain, but he snuggled into the larger body. Still so trusting. Papyrus's body was cold so he lent no warmth to Sans when he did this. But he only did it for sentimental purposes.

...

Papyrus sat in front of the cold, starved body, staring for a long time. Sans lay in a small pool of dried blood, his arm and leg now both broken. Multiple cuts sported new scars all over his body. He was too weak to set anything back by himself and he had nothing to stop the blood flow.

How could he still be alive? The simple answer was because Papyrus. His only HoPe. He hung on for his brother, the only reason that could keep him going.

Sans's body was cold and weak. He would not be able to handle more injuries. Papyrus observed this as he looked over his food with intense, detached eyelights. But he was hungry. He still needed to feed.

Papyrus spread the other's legs, staring intently at the other's pelvis. He let his fingers run expertly through each curve and dip.

Sans's gasped weakly against the onslaught, but he offered no fight. He only shivered as he felt his magic coalesce into a soft blue mound, a little fluid dripping out.

Papyrus unzipped his pants, releasing a long orange cock. He continued to stare intensely at the smaller skeleton, hunger in his eyelights. But not the normal way a lover looked at their partner, no. He looked at Sans only as a predator watches its food.

Sans looked at Papyrus's orange shaft, a light dusting of blue sprinkling over his cheekbones. He continued to smile softly at his brother, not perturbed in the slightest.

There was no warning. Papyrus thrust his entire length inside with an animalistic quality, setting a harsh, grinding pace that had even Sans crying out in surprise and pain. His pace was wild with a ferocity, pulling all the way out, and then slamming the entire thing all the way back in over and over.

Sans was crying, screaming out in agony. But he never cried for his brother to stop, or even slow down. He probably couldn't. It had to be difficult to manage coherent speech over the pain. He could only take what was being given to him.

It didn't last long. Sans's screams turned into a high pitched keen as he came devastatingly hard, his vision whiting out from the force of it. Papyrus quickly pulled out, dismissing his genitalia before pulling Sans's pelvis up to lick at his release.

Sans whimpered painfully, hands scrambling for purchase as half his body was lifted into the air. He cried out against the attack at his pelvis, the taller skeleton slurping up all his cum.

Sans managed to relax as Papyrus's tongue delved into his folds, licking up stray strings of cum. His eyelights flickered weakly, low on magic. "It's okay." He was saying over and over. "T-Take as much as you, ah! n-need, Pap." His words stumbled as the other's tongue pushed in deeper.

After he was finished, Papyrus dropped the frail body on the floor, wringing a pained yelp from the other. He closed the cellar door behind him, throwing Sans back into darkness.

...

Sans lay in a small puddle of his own blood and cum, brittle frame shivering from the cold and starvation. His broken limbs hadn't been set in a long time. Maybe they would just stay permanently broken.

Blood dripped from his left socket. Violent slashes went though his socket, rendering it impossible to open. The blood there had already dried for awhile now.

But Sans would never be able to use magic again.

He tried to hug his cold, trembling frame, rubbing his body with his good arm. It was so cold. So, so cold.

He pulled himself over to the edge of the cellar, his broken leg dragging after him, making him wince. He grabbed at the edge of a thin paper peeking out from under a wooden box, pulling himself back to the light filtering through the sliver of the door.

The photo revealed the happy couple of Papyrus holding Sans bridal-style. They were both dressed in their wedding attire, Papyrus looking very fetching in his tuxedo while Sans looked beautiful in a white wedding dress.

Sans seemed to be laughing in the photo, arms thrown around Papyrus's neck. And Papyrus was smiling, looking so very happy. His teeth were normal and blunted, not the sharp fangs that Sans was now familiar with.

He stared at the wedding photo sadly, running his finger over Papyrus's smiling face. It seemed like such a long time ago since he had turned into a vampire. He still remembered Papyrus lunging out to save him from the other vampire, taking the bite instead.

He hugged the photo to his chest, ribs rising and falling with weak, ragged breaths. He smiled sadly, closing his sockets as he sang the song they used to sing to each other.

"Come what may,

I will love you,

until my

dying

.
.
.

day."