Undertail Librarby

Mistrustful glared Demi at the monster in front of him. The horned skeleton was used to be the only one with the ability to teleport, but this here didn't even seem like teleportation anymore. The other, "Xans" how he called himself, stepped out of an invisible like curtain, symbols and numbers surrounding him. He always had this incredible wide grin on his face, staring at him with amusement. They already talked before but Demi couldn't get so much out of the other. He also wanted to chain him but Xans always got rid of that demonic thing, Asgore-know-how. This guy was suspicious and Demi couldn't handle anymore problems when anyone would find out that he couldn't do his job. "fucking leave, you weirdo.",the horned skeleton demanded, body stiff with the pressure between them. Even when the other smiled wide, Demi's senses screamed that something was very wrong today. "awwhn, so cruel~ i just arrived..." Xans normally always pulled out a weird display out of nothing 'checking some stuff', but today he didn't even took for one second his eyelights of Demi's face. He stared at him intense and somewhere in the skeletons head, his instincts screamed to run away. He couldn't explain it, but today Xans felt like a completely different person- not that he ever really knew him before. Also running away was a stupid option and would only bring more problems up. Demi would fail the king and fail guarding the area. For that alone would be already be good as dead. A black bone with a faint blue glow appeared between his phalanges, ready to fight this monster. The sockets of the other widened but only in even more amusement. The sharp fangs of the other parted and a slick aquacolored tongue licked over his teeth. Snow crunched below the raptor feet of the other as he slowly approached, smaller puffs of air visible as he panted. This guy.. Was he aroused?! "one step closer and will make your life hell" Xans really halted, but staring at him like food on a silver-plate. "ahh, i think i know 'gain why i'm 'ere... ya were so incredible cute... 'an yer doin' such a good job in protectin' papy..." The different colored eyelights of the others flickered at him, lust filled them. "i shouldn', no no i really shouldn'... fer paps i- 'but at the same time... so delicious..." There was no doubt this monster was fucking crazy. He'll better stop talking about his little brother or he might forget himself. "hey,",the other panted now again a little more focused. Seriously, couldn't he just disappear to the fucking hell he came from? "'m gonna fuck yer, alrite?" "what-" "sex. never did it 'b'fore?" Demi scowled. "you bastard-" Demi was prepared when the other suddenly charged. What he wasn't prepared for was to be jumped at. The black bone in his hands was pulled up to block, but did little against the whole weight and strength of the jump. Still, when they fell over the bone scraped along Xans' neck, drawing little marrow to bubble up from the scratches. The demon's eyes widened when they both crashed to the ground, the virus on top of him. "fuck!",the bottomed skeleton hissed and rose his faintly humming bone to attack. The smile never left Xans' face, when he snatched after the magical weapon. It's surface hurt the taller one, but not enough to kill him. They both teared at the bone for a second, while the taller monster also straddled his hips on each side of Demi. Then, the virus threw the bone out of reach, grabbed with the other hand the skeletons face and slammed him in the snow. Though, his body instant followed and while his hand on Demi's face only slipped a little more up it was already enough for the virus' tongue to take long licks over his teeth. The yellow eyelights of the horned one shrank to little dots and his body went stiff. Then, he began to trash below the virus, but only rubbing their both bodies more against each other, Xans' body already pressing down on him, which made Demi panicking: After all the other made his intentions to fuck him very clear. "fucking- GET OFF YOU FRGHH-" Speaking proven to be a shit idea. The claws of the virus hooked his teeth and now the disgusting thick tongue was invading his mouth. Tears began to form in  the corner of his eyesockets when the ectoplasmic appendage was forced down his throat, making him choke. In instinct his own tongue formed to force out the intruder, but was in instant captured by the turquoise colored one. He heard Xans' pleased growling. Demi wanted to throw up. With his trembling phalanges he tore and pulled at his tormentors' clothing, but the hand at his face slipped up a little more, covering his eyes. New panic filled Demi, as his sight was gone, but the slick tongue and rubbing of the others body was even more intensive. His bones trembled violent, muffled cries beneath the dancing magic in his mouth. Somewhere in his mind the monster tried to focus, next to the pants of the virus, to defend himself somehow, but the hand stealing his eyesight scared him so much, leaving no space for other thoughts- And yet... He still could feel a prickle shooting down his spine. Fuck, fuck, fuck! Xans laughed when he felt wetness at the others eyesockets and the free hand of his prey moved to pry the hand from his face. With slick slurping noises he shoved his tongue once more deeper down his throat, before pulling back. Making the smaller one choke. "GH-STOP! STOP, GET OFF ME- Kchh!",he shrieked. With a cruel strength Xans had pulled his arms up, above the other skull and pressed them into the snow. A sharp glitching object appeared in his claws what Demi assumed to be his weapon. His eyes widened in fear. Would he die here? With a cruel tug, his arms were stretched up more, making the demons spine arch against the others body as he suddenly slammed the object somewhere at his hands, out of his sight. He had flinched in fear and was trembling violently when he realized that the virus somehow fixed his arms in place. The taller monster stared down at the trembling little skeleton. It was beautiful how tears ran down his cheeks, how drool and both of their magic ran down the others chin, the faint blue blush at the others face... Oh. Blush? He began to purr. "Demi as much as ya claim to hate thiz, with that blush i can't really b'lieve that~" The other's legs began to useless kick below him. "i'm gonna FUCKING KILL YOU!",the demon hissed but it didn't seem to do the wished effect. Instead Xans grabbed his legs to settle between them and thrust their clothed pelvis together, making Demi tremble. The virus tongue was lolling out when he answered, "as much as yer threats turn me on, hah- we better.. stay real'stic, rite? ya can't see mhh- my hp rite now but i have 30.000.000- i know, a lil op but, what can i say~" The smaller skeletons breath stumbled as realization hit him. His tormentor grinned with half lidded sockets, tearing Demi's shorts into shreds. "i doubt- nah. i KNOW ya can't make enough damage to even take 1% of mah hp in one hit... woah, that must be hard.",he snickered. 30.000.000?! That- That would be as much as king Asgore?! "so,"the other panted and began to rub the freed synapsis of the demon's pelvis, making Demi twitch, "i can easily kill ya b'fore ya even think of killin' me... an' what would papyrus do without you?" Even yet, the horned skeleton thought how to protect his brother, he couldn't - he wasn't ALLOWED to die here. The free hand of the virus found his spine, rubbing against the single plates and pinching the little spikes between thumb and index. He flinched again at the touch, but for another reason. "if ya wanna do that ya better be a good bitch and form smthin' to fuck.",he purred. Even without Xans threatening him he could feel the arousal in his body. "b-bastard." It was so fucking sick. The taller skeleton didn't free his magic yet, but the demon felt his length at his pelvis, hot behind a layer of shorts. Since his body was stretched between his fixed arms and a horny virus he hadn't much space to move, except to arch his spine and tremble. His pelvis already glowed with magical arousal, dripping faintly while Xans rubbed it- more painful than caressing, but still leaving a desire for more. "no no no no", Demi sobbed as his lower half formed, completely with ectoplasmic ass, legs and stomach. With widened grin his tormentor leaned forward to lap at his tears and purred as Demi only felt deep despair. He quickly leant back again, freeing his already dripping cock and smeared his precum against the dark blue opening. "no no no- you can't do that. this is a bad joke right?!",the demon tried again, horror flattening his voice. Xans hooked the quivering ectoplasmic legs of the other above his shoulders, entering him with the head of his dick. "do me a favor and scream. loud." At that he hilted completely in, feeling like tearing him open from the insides. And Demi screamed. He trashed around while trying to tear away from the virus who simply grabbed his legs with a painful strength, claws piercing the ectoplasmic surface. He then used his grip to pound inside, hard and quickly, shaking the whole body of the smaller one with every thrust. Precum eased the way a bit with every wet slap their genitalia met, but did little against the dry pussy. Demi began to beg for Xans to stop while screams, sobs and painful gasps tried to overpower his throat. But the other decided to penetrate his insides with all might while getting even more off on the resistance of the other. Through all the time the virus was panting and growling with pleasure. His tongue lolled out all the time like a slobbering dog while he stared down at him. With every thrust, the sore insides of Demi betrayed him, clenching around the hot penis to keep him inside. The demon could exactly feel the girth swell a little more inside him, bigger at the end, a little thinner at the base. The virus also started to bottomed his thrust out now, reaching so far that he penetrated his formed womb. The demon couldn't scream anymore, his voice felt like sandpaper in his throat, but he couldn't stop the sobbing as he was used against his will to pleasure this monster. By now his formed cunt even kind of get used to the harsh penetration, becoming wet and making it maybe even a little pleasurable. Could he even fall deeper? Demi noticed the breath of his tormentor stumbling, his dick twitching against his slick walls. No, was he- "no, not inside, stop- STOP!!" His screaming felt like tearing his own throat open and a new stream of tears stroke down his face. "but ya clench aroun' me like.. Hea-ahhn- heaven",he replied gripping his thights harder. With a grunt Xans hilted once more deep inside and stilled, hunched over the smaller skeleton while growling, cum filling his canals and his pussy milking the turquoise dick for more. The demon moaned against his will and began to hiccup. As the virus pulled out the freshfucked cunt was filled to the brim with his release, dripping down on the trembling plush thighs of his victim. Xans smeared with his claws at his buttcheeks, collecting some of the fluid and smeared it back inside his pussy with two fingers, while pushing them in and out. "hah.. mhh yer are so nice ta fuck, demi. little slut. tho why not tryin' another hole yet?" Demi only whimpered only focused on the disgusting feeling of the others sticky cum inside him. Somehow his genitalia didn't disappear, still being fucked by his fingers and somewhere in his mind he also heard that the virus wasn't done with him yet. He pressed his eyesockets together. He already gave up on defending himself but when would this be finally over?! With a painful jolt Demi screamed as sharp phalanges tugged cruel at his lowest rib. He felt the bone giving up against it force, creaking until... It snapped. There was a short silence until Demi's mind actually progressed what just happened. Marrow bubbled up from the splintered bone and the smaller skeleton screamed like he never did before in his life.

IT HURT. IT FUCKING HURT SO MUCH.

The virus pulled his sticky fingers out of him, cum still connecting them in thin strings to his hole until they broke. He laid down on him, grabbing his face between his fingers and actually nuzzled his face until Demi's voice once more died down in a pitiful sobbing. "shhhh.." His whole body trembled again as he looked directly into the virus face with wet and in fear widened eyes. Xans growled and and lapped with his tongue over the tears and eyesockets of the other, making him flinch. "thiz iz what happens if ya misbehave, understood?" He quickly nodded in the virus' hold. God, this guy was so fucking insane! "good." Xans climbed now on top of him, straddling his legs on each side of the demons chest, kneeling in front of his face. The yellow eyelights shrank to little dots as the skeleton pumped his dick right  there. Okay, he could still fall deeper, thanks fate. "open yer mouth.",he purred and Demi quickly followed his command even when the disgust and fear was shown on his face, but the virus didn't mind. In fact, he enjoyed it. He snatched the demons face with one hand and after his still summoned forked tongue with the other one and pulled it out. The smaller one made a weird chocking noise and tugged at his restraints in reflex. "clean my fingers first" The darkblue tongue quickly lapped at his fingers and collected the cum from them. It was disgusting, salty. When his fingers where clean he snatched again after the demons tongue. "bite me and i break two more of yer ribs" With that Xans shoved his turquoise dick slowly past the sharp fangs and tongue of the other. He felt so much bigger in his mouth- he couldn't force all of him inside him, right? Even when Demi was disgusted with himself and the whole situation he couldn't doubt that the ectoplasmic appendage tasted kind of... Good as it rubbed past his tongue. His tormentor even was gentle right now, panting and the one eyesocket closed. "mhh.. ya feel as sweet as yer sound.." He gulped around the girth in reflex as he hit the back of his throat, making the owner grunt. His mouth was stretched wide, close to hurting him. When Xans began to ride his face, drool ran down Demi chin, forced out by his wide stretched jaw. Suddenly claws grabbed his horns on each side, forcing his head to bob on the dick. He coughed, swallowing again around the dick. Tears of pleasure prickled in his eyes as the claws rubbed over the surface of his horns, the smooth texture and locking them in the strong grip. Demi couldn't help but roll his eyes up, moaning around the cock which muffled his voice. The vibration made Xans shudder as well. "hhhnn, did ya-" The virus grabbed his horns tighter and Demi answered with pressing his forked tongue around the throbbing dick inside his mouth, his vision fogged and blue magic coloring his face. "ho-holy fuck." So this guy was sensitive there... Interesting. He pulled out from his warm wet hole, dick still hard and dripping, and right in front of Demi's mouth. The other still looked clouded, face flushed and turquoise magic connected with drool running down his jaw. To test his theory he began to caress the others horns and skull, down to his neck behind the collar. His claws danced along the surface, a little scratching, a little petting, a little pressure... The demon mewled and opened his mouth wide, salvia connecting his teeth, moaning like he wanted his tormentor to fill him again. He pressed his ectoplasmic dick at his face, smearing precum on his cheek while massaging the delicate bones at his neck. And there, the demon started at him with hate, yet turned his head a little, taking a long lick at the others magic. Instead fear his eyes were furious but clouded with lust, his face deep blue. That's what you call a change of events. Urgh, why was he so fucking cute?! "well, hah- when i fuck ya ya can as well enjoy it i guess" 'not that I disliked the screams', added Xans in his mind. "do ya wan' me to fuck yer, hard and nicely~?" The pinned skeleton was about to shake his head when the painful throbbing of his broken ribcage reminded him his place. Tears came up again, when Demi now nodded to the question of his tormentor, hiccups filling his throat. He felt good for the moment but he still didn't want anything of this. The virus grinned wide and stand up from his chest. With a high "pling!" vanished the restraints of his arms, making Demi to pull them down to his body. Then strong hands suddenly lifted him up to carry him flush to his rapist front, urging him to hold onto his shoulders and curling his legs around his hips. The hard dick of the other rubbed right at his ass, making him shudder. He could also feel the earlier release of the other dripping out of him, feeling sticky and dirty. He just wanted to go home. A digital screeching filled Demi's ears when they suddenly stand in the royal chambers of the castle. He pressed himself more against the virus, trying to vanish. He would die, die, die. "eager, ain't we?",chuckled Xans. This guy was so crazy! But he wouldn't get punished by Asgore anyways! The virus moved to the giant bed and sat down, Demi still in his lap. He didn't seem to mind that his shorts were sticky with cum. The taller kissed him again, but he was distracted by the thoughts of getting caught to be raped in the chambers of the king. His golden eyelights stared at Xans different ones but in mind somewhere far away. How would Papyrus continue without him? What would Asgore do when he found his magic texture on his royal sheets? Would he dust him instant or rather torture him? Or rather rape him? And what would- The demon hissed when his lower rib was tugged in sharp pain. "hey.",the virus snarled annoyed. "p-please don't! i'll be good- i'll be good..." He wanted to ram his blaster right in face and run but would it work..? Instead he curled his arms around Xans' neck and licked over his teeth, which where now again a wide grin. He tugged again at the rib, then moved to grab his ectoplasmic ass and used it to rub his dick at his still soaked pussy. One of his claws however moved to his back entrance and rubbed over the sensitive flesh. The horned skeleton flinched but continued to press his slick tongue against the turquoise one. That went on until the phalange at his entrance rubbed harder and then also pressed past the ring. Demi hissed when a single finger slowly was forced inside his ass but Xans lined himself up at pussy and fucked him again, now with wet slick noises. His pussy was sopping with cum, easing the way that it didn't hurt anymore. He bounced on the virus' lap, always forcing the skeletal fingers deeper inside his ass, while the turquoise dick slid against his walls like home. With every thrust the horned skeleton moaned in pleasure, now that the pain faded and lust filled his place. He grabbed hard at the shoulders of Xans for hold, while arching his spine, pressing his body against the virus for more, more. A turquoise tongue lapped at his mouth, licking up the drool which ran down his jaw. A second finger joined his ass, curling them in his tunnel against the thrusting girth. The virus could actually feel his dick rocking in and out with his fingers, fascinating. It was also now Demi's tongue which lolled out, his eyes morphed into little golden hearts. He was panting heavily and could feel his pussy tightening, trying to suck him deeper inside. He was so hot. The base of Xans dick began to swell, forming a knot which he quickly fucked inside with hard thrusts before it became tighter until it catched and stilled. The demon leaned his head back as he yelped at his orgasm, ectoplasm clenching  around his girth and knot. The taller grunted when his own release spilled inside him, collected in the demons transparent womb like jelly, but it didn't stop. Knot plugging the pussy, Demi was forced to take all of him. He sobbed as his guts tried to handle everything the virus pumped inside him. Meanwhile Xans hugged him and growled, suddenly rolling them down so that the horned skeleton laid on him in the giant bed. In that position he could actually see how his cum spilled inside his womb and he followed his urge to kiss everywhere on his face. The demon became a really bad feeling with this. His rapist felt suddenly so warm, so caring, so good. But he was holding him like a lover, filling his swelled stomach and caressing his spine softly. Xans placed a kiss above his left eyesocket. He wasn't-   Another kiss at the corner of his mouth. No he wouldn't- "i think i fell fer ya."

D a m n i t .

The demon wanted to tear away from him but the knot and the others arms still held him in place. This guy. Was. Fucking. Insane. "you don't know me.", he panted. The virus chuckled,"i know yer better than ya think. i can-... i had my methods." So this guy was stalking him and not just the underground. Fan-fucking-tastic. He turned his skull away from him but he then simply began to lick his neck above the collar. With his hands he petted the swollen stomach of the demon, making him yelp. "i dun' know when i'll visit again, so ya can see thiz as my gift." "oh, children?!", Demi snapped. The eyelights of the virus shrank. "no, there should be no way that- ya can't get pregnant from this... i think." "OH YOU THINK? GET THE FUCK OFF ME, BASTARD!" Xans growled and rolled around with him, now he on top, snapping at his ribcage with his sharp fangs. The bone creaked between his jaw, making Demi shriek. He forgot that he had no choice in this. "ghh-sorry, sorry- i'm sorry! please stop! stop, PLEASE!!" Tears streamed down his cheeks when the animalistic skeleton let go of the bone. Deep marks were visible and marrow bubbled on the surface. Xans simply grinned again and Demi was silent for the rest of the time.