The Weirdest Shipping Shorts

Your Surprise (Sansby)

SMUT WARNING:
So, I got dared by a friend on discord to write a Sansby related Smut. Uhm- they said only one chapter so I'm going to do around 1,000-1,500 words max. Please keep in mind I have NEVER written smut before so please just- try to not hate me for this? E- this should be fun x'D

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Papyrus was out of the house for a few days, he was hanging out with Undyne, probably to just get more training done, and Sans had invited- well begged Grillby to stay with him for that week, seeing as he had abandonment issues and was always scared of people leaving him. Grillby glanced around, the house had been eerily quiet for the past few hours. Sans told him a few hours ago that he was going to go take a shower, but come back so the two of them could watch a movie. Yet he never returned. The fire elemental walked up the stairs carefully, the tips of his flames were a slight purple shade out of fear of what kept the skeleton taking so long. He exhaled, reaching the male's room and knocked on the door. 

A gentle yell came from the other side, telling him to come in. Grillby's eyebrow raised as he turned the knob and walked inside. The room was pitch black, even with his own flames, it was difficult to see. Their was a candle on a nightstand that sat beside the bed- the only light source in the room. Grillby's eyes flickered around as the door shut behind him. He let out a nervous squeak, backing away quickly in surprise and paused as the light's turned on. Standing only a few feet in front of him was Sans. The shorter male wore a black leather jacket with a medium gray top crop on underneath, booty shorts pressed tightly against his thighs along with fish-net leggings that raced down his legs, looking like scars over his cloud-gray bones.

"Sans- what are you?"

"Oh nothing, I just figured you know- we have this big house all to ourselves, so why don't I give you a little surprise, my dearest prince. After all, you have been such a good prince and deserve to have a little bit of fun, hmm?" He said, his tongue rolling around his words lustfully. Grillby shuddered at the male's tone, only having heard it once or twice before, but those times he expected to hear it.

The skeletal male tugged at Grillby's shirt, pulling him into the bed. The fire elemental tumbled, falling on top of the skeleton's rib cage with an oof, escaping his parted lips. He was quickly met with cold boney fingers, working their way under his shirt and onto his chest. Grillby blushed, his eyes widening as he looked down at Sans who was tugging off the elemental's shirt before tossing it to the ground. The skeleton sat up, a magical blue tongue coming out of his jaw as he pressed his face onto Grillby's chest, licking it with a gentle stroke. 

"S-San-s..." Grillby giggled, his flames turning a shade of pink, as the skeleton continued to work his way around the taller male's chest, planting gentle butterfly like kisses on his abs. 

"What's wrong my prince, do you not like your surprise?" Sans asked him while he continued to plant kisses on him. A hint of lust lingered in his tone as he did so. After a few moments, Sans finally laid off kissing and licking Grillby's chest. He sat back, pulling off his own leather-jacket and crop-top to reveal his own rib-cage. He had a few old scars on his ribs, but they were faded, and he did not seem to care about them. 

He looked back up at Grillby, the blue-tongue licked his mouth as he half-leaped half threw himself at Grillby. The taller male fell onto his back, his head nearly missing the foot-board of the bed as Sans sat himself onto his lower torso. He moved himself slightly, just to where he was sitting over the other's private area and began to move his body back and forth, as though trying to grind the other even though they both still had their pants and underwear on. Grillby let out a small moan, feeling his member shake slightly, as though wanting to move out of his pants to just connect with his lovers member.

Sans continued to thrust his body back and forth, he moved his hands, pushing them over Grillby's chest with a soft hum as he lowered his head, kissing Grillby on the lips. Grillby quickly kissed back, Sans' tongue rubbed against the roof of Grillby's lips, asking for entry. Grillby opened his mouth, and Sans' tongue moved into Grillby's mouth, exploring every nook and cranny that was inside of his mouth. After a bit of exploring, the two male's finally moved their heads away, a string of saliva connected between the two as they gasped for air. 

Sans let out a small roar like sound and winked at Grillby. "Your mouth is like an endless journey that just keeps getting better everyday, baby." He began to move his hips back and forth once more, but while doing so, his hands moved over Grillby's pants, slowly trying to pull them down. After a bit, he managed to get his pants down to his knees and got rid of his own. The two male's sat there, butt naked while the skeleton continued to thrust himself back and forth against the taller male's member. Grillby let out a gentle moan as Sans grabbed onto his member, brushing his finger's against it's surface. 

"S-Sans..." Grillby moaned, as he giggled softly. The skeleton's touch against his member was ticklish, feeling like a butterfly walk against his skin. The skeleton took this as permission for entry so he continued to rub his member with his hands, he bent his head, until it was just over his member and began to lick the top. He flashed his eyes at Grillby before eating him alive. He got the member deep into his own mouth, a little bit was still out, so he just wrapped his hands around it and continued to stroke it while sucking the other half. Grillby continued to giggle like a school girl, trying to move out of Sans' grasp. Yet Sans just continued to suck on it while rubbing his member with quick and affectionate strokes.

"S-Sans Please..." Grillby uttered between moans... "I-I'm going to cum..."

Yet, the skeleton did not back away, he just let out a lusty purr and continued to work at the male's member. Grillby moaned softly, his eyes fluttering shut as he felt the white liquid escape his member. Sans moved backwards, letting his tongue roll against the male's member as though licking the cum, causing the elemental to shudder before the skeleton finally stopped, he pulled himself closer to Grillby and curled his smaller body around Grillby's chest, hugging him close, while pressing gentle kisses onto his neck. "Your body is so crisp yet delicate, that I could eat you whole day in and day out, hot stuff.."

Grillby let out a small hum and pressed his head against Sans' shoulder. "Love you too, skele-cutie.."