Undertale AU x Reader (Requests welcome)

Say My Name.

ᴴᴱᴸᴸᴼ ᴾᴬᵀᴴᴱᵀᴵᶜ ᴾᴱᴼᴾᴸᴱ. ᴵᵀ ᴵˢ ᴵ, ᵀᴴᴱ ᴳᴿᴱᴬᵀ ᴬᴺᴰ ᵀᴱᴿᴿᴵᴮᴸᴱ ˢᴬᴺˢ, ᴬᴺᴰ ᴵ ˢᵀᴵᴸᴸ ᴴᴬᵛᴱ ᵂᴿᴵᵀᴱᴿˢ ᴮᴸᴼᶜᴷ ᵁᴿᴳᴴ.

ᴮᵁᵀ ^ˢᴵᴳᴴ^ ᴵ ᴳᴼᵀ ˢᴼᴹᴱᵀᴴᴵᴺᴳ ᵂᴿᴵᵀᵀᴱᴺ ᶠᴵᴺᴬᴸᴸᵞ...

ᴴᴱᴿᴱˢ ᴬ ᴸᴱᴹᴼᴺ ᵂᴵᵀᴴ ᵀᴴᴱ ᴼᴿᴵᴳᴵᴺᴬᴸ ˢᴬᴺˢ. ᴮᵁᵀ ᴼᴺᴱ ᵀᴴᴵᴺᴳ, ᵞᴼᵁ ᴳᵁᵞˢ ᴰᴼᴺᵀ ᴺᴱᴱᴰ ᵀᴼ ᴮᴱ ˢᴴᵞ ᴼᴿ ˢᴴᴵᵀ, ᴵ ˢᴱᴱ ᵀᴴᴱ ᴿᴱᴬᴰˢ ᴮᵁᵀ ᴼᴺᴸᵞ ᴼᴺᴱ ᴿᴱᵟᵁᴱˢᵀ, ᴵᶠ ᵞᴼᵁ ᵂᴬᴺᵀ ᵀᴼ ᴿᴱᵟᵁᴱˢᵀ ˢᴼᴹᴱᵀᴴᴵᴺᴳ, ᴶᵁˢᵀ ᴹᴱˢˢᴬᴳᴱ ᴹᴱ ᴵᶠ ᵞᴼᵁ ᵂᴬᴺᵀ ᵀᴼ ᴿᴱᴹᴬᴵᴺ ᴬᴺᴼᴺᵞᴹᴼᵁˢ, ᴼᴿ ᵂᴴᴬᵀᴱᵛᴱᴿ.
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Sans POV:

Heh, seems like we are snowdin..heh. Luckily, Papyrus was already inside along with (y/n), wouldn't want them to be trapped in the snow. Papyrus was in the kitchen making some spaghetti with (y/n), it was kinda cute.

Ahem, anyway..As I was say-

"SAAAAAANS!!" I was snapped out of my thoughts by the sound of my name coming from (y/n)...huh..I wonder how it would sound when I f- WOAH, Sans, snap out of it.

"What?" I replied back, slouching as far into the couch as possible. "Papyrus crashed through the window again, he said he was going to Undyne's for training." Huh, he left? Why didn't I hear the glass breaking? Heh, I must of been pretty deep in thought. "Oh, ok." I shrugged and let a sigh pass my lips, shutting my eyes and drifting off to sleepy town junction (game grumps anyone eh? eh? no? ok.). I was snapped out of my thoughts by something soft touching my forehead. I opened my eyes to see (y/n) there, hovering over me, her...ahem..bust in my face. My face heated up as my face was now covered in blue. "H-Heh, kiddo, what a-are you doin'?" I focused my attention upwards to her face instead of her boobs that were in my face. "Oh, I thought you were asleep, I was keeping you comfy, I was going to go get a blanket and pillow for you." I chuckled and pulled her into my lap, a sly smirk crossing my face. "S-S-Sans?" Her voice squeaked, awh, cute. Her face was now a crimson color. "Hm?" I arched a bone brow and laid my boney hands on her waist as I leaned my face closer to her neck, she laid her hands onto my chest and gripped onto my shirt as I left soft kisses to her neck. "Sans...Please." Her voice was soft and weak, almost making her sound stern. "Please what?" My voice was low as I summoned my tongue and licked up her neck, nipping at her ear. Earning a gasp from her, score.

"S-Sans...Ah..Please, n-not now.." Awh, shy are we? "Later on today than~?" I purred into her ear and traveled my kisses around her neck and collar bone. God, her skin was so soft.."..." She sighed before attempting to push herself off, which only made me tighten my grip, making her gasp once more, "(Y/nnnn)~ It's rude to not answer when someone is talking to you." I pulled back, my eyes lidded with small hearts replacing my white pin pricks. She rolled her eyes as a smirk played her face too, oh? "Saaaans~" She leaned closer to my skull and whispered into my non-existent ear, sending shivers through my spine. "Me. You. Bedroom. Now." Her voice was like silk, this sudden change in her, I loved it. But something snapped inside of me, I snapped my fingers, teleporting us to my room with her pinned to the wall. She seemed dazed and dizzy after that so I let her adjust first before we start.

"You could at least warn me next time." Her voice growled as she held her head, I planted my teeth to her forehead in a form of a kiss and smirked, "Sorry babygirl~."I chuckled darkly and intertwined our fingers together, pinning her arms above her head as I smashed my teeth against her lips, kissing her roughly. It didn't take her long to melt into it and move her lips in sync with mine. I growled into the kiss as I rolled my tongue against her bottom lip, she denied. I slid my hands out of hers and slid them up and down her form and all her curves, stopping at her breast and giving the a firm squeeze, causing her to gasp and moan, oh fuck yes. I want to hear more of that. I slid my long ectoplasma tongue into her wet cavern and explored the new territory. She continued to squirm and moan against my touch. God damn, she is so damn beautiful. I broke the kiss, both of us panting for air. I scanned over her body and growled, all that clothing on her is not going to work~. In a swipe of my hand, her clothes were off and into a dark corner of the room. Causing her to gasp and cover herself in shame, I pouted and grabbed her hands and pinned them back above her head. "Come on babe~ You are beautiful, no need to be ashamed of your perfect body~." I purred, her face turning dark with blush on her (s/c) skin. I once again scanned her body, god, she IS perfect, I licked ny teeth as I dove my head down and took one of her erected nipples (*cringe* i hate that word) in my mouth, swirling my tongue around it and occasionally nipping at it as my other hand messaged and played with her other. Earning gasps and moans from her, god damn. These shorts are getting too tight..

I growled against her breasts as I pulled away and began to grind my hips against hers as I latched my teeth onto her neck, searching for that sweet spot of hers. Once I did, she gasped out and moaned loudly, hmm. I latched onto thay spot and abused it as much as possible, leaving a good sized hickey, pretty dark, that will show everyone she is mine. She bucked and grinded her hips along sync with mine, making us both groan and pant. I pulled back from her body and amired her weak body. Her tongue was out of her mouth, her knees were buckled together and she was barely sweating. What a beautiful sight. I summoned her soul and tossed her onto my bed, using my magic to pin her arms above her head as I stripped myself from the constricting clothes, a low groan emitting from my throat as my erected member popped out of my shorts. She looked at it in awe, heh. "Like what you see babe~?" I smirked as I wrapped my hand around my shaft and began to pump my hand. Panting in the process as I watched her squirm in anticipation. I stopped my motions, sending shivers through my body as I crawled ontop of her, my tongue rolling out of my mouth, "Welcome to the Bone Zone babygirl~" I whispered into her ear as seductively as I could be. Teasing her with the tip of my member, making her whimper and squirm. "Sans pleeeaase~" She begged as she began to pant. I chuckled and grabbed onto her thighs, squeezing them as I slid my shaft between her folds, "Sorry babe, what was that~?" I growled as I also began to pant, fuck, I don't want to tease her but it was a pleasing sight. "FOR FUCK SAKES, SANS PLEASE FUCK ME, FILL ME UP!" Her voice screamed, making me pause in my tracks, shocked. I shook my head and smirked, "Atta girl." I took her hands in mine and slammed myself into her, causing her to scream, in pain? I stopped and looked at her face, tears forming in her (e/c) eyes. Fuck. I hurt her.

I planted kisses all over her face and wiped her tears away with the padding of my thumb, "Fuck, I'm sorry. I-I didn't know you...you were a virgin." (sorry if your not *shrug*) I trembled in front of her, fuck, Sans, get it together. She smiled softly and kissed my cheek, trying to comfort me, "It's alright Sans, j-just give me a moment." I nodded and stayed where I was, waiting for something to show she was fully adjusted.

After a couple moments, a soft moan slipped by her lips as she rolled her hips, causing me to groan. Seems like shes ready~. I started off at a painfully slow and soft pace. I was quiet for that moment until she growled, I looked to her and arched a bone brow, "What's wrong babe?" I said between pants, she looks to me with half lidded eyes and whined, "G-Go faster, please Sans." She whimpered and I nodded, rasing her legs and putting them on my shoulders as I pulled out to the tip and slamming into her, thrusting faster and harder into her, my magic waring off on her hands. Giving her the ability to slid out of it and wrap her arms around my neck and cling onto me, making her a moaning mess. I began to groan and pant as I felt a knot forming in my lower abdomen. Oh no no, I am going to make this last for a good while. "S-Sans! I'm c-close!" I nodded and latched my teeth onto her shoulder and pounded into her at an inhuman pace, making her arch her back and spill her orgasm onto my member, making it slick and almost pushing me off the edge, her being sensitive after her orgasm began to groan and squirm. "S-Sans! S-Sen-Sensitive!" She whimpered and I chuckled, "I know doll, I'm not done yet~" She gasped as she heard what I had said, her walls clamping tighter around my member, making me let out a long low groan. "F-Fuck...So tight!" I panted and bit into her shoulder harder, making her scream in pleasure and pain. I lapped at her blood that was spilling from her wound. She growled and gripped onto my rib cage, making me gasp and pound into her harder and making us both an uncontrollable moaning and groaning mess. I couldn't take it anymore. "I'm c-cumming.." I groaned and she nodded, "M-Me too!" She moaned out and bucked her hips, pushing me off the edge and shooting my semen deep inside her, triggering hers and spilling her juices also. I thrusted slower, riding out both of our orgasms before calasping ontop of her, pulling my member out of her. Both of us panting, "*Huff* I *huff* I love you." I panted out and rolled to her side, "I *gasp* love you *huff* too."

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ᴸᴼᴺᴳᴱˢᵀ ᶜᴴᴬᴾᵀᴱᴿ ᵞᴱᵀ, ᵂᴱᴴ ᴴᴱᴴ ᴴᴱᴴ ᴴᴱᴴ! ᵀᴬᴷᴱ ᵀᴴᴬᵀ ᴮᴸᵁᴱᴮᴱᴿᴿᵞ!!

ᴬᴺᵞᵂᴬᵞ, ᵀᴴᴱᴿᴱ ᵞᴬ ᴳᴼ, ᶠᴵᴿˢᵀ ᴸᴱᴹᴼᴺ ᴵᴺ ᵀᴴᴱ ᴮᴼᴼᴷ.

ˢᴱᴱ ᵞᴬ ᵞᴼᵁ ᶠᴵᴸᵀᴴᵞ ᴾᴱᴬˢᴬᴺᵀˢ.

1808 ᵂᴼᴿᴰˢ..

~ᴮᴸᴬᶜᴷᶜᴴᴱᴿᴿᵞ