Y/N POV
I have been living in the underground for a few years now and I have already been through the pacifist round and its staying that way, Frisk and I are great friends along with Chara, asriel is around sometimes but he would turn back into a flower named Flowey, everyone was like family to me, well except for Fell and Papyrus, they were more like very close friends but I had a crush on the Small skeleton, he makes me happier than usual and I always feel like I have butterflies in my stomach, and he's very nice to me. I was walking towards the Skelebros house Cuz we were having a game night with Undyne, Alphy, Frisk, and Chara. I get to their house and knock on the door, the door then opens and I see Papyrus," Hey Papy" I said smiling," HELLO HUMAN, GLAD YOU MADE ON TIME" he said as he stepped to the sides, I walk in and see that everyone was in a circle in the living room, the coffee table was moved out of the way and there was a glass beer bottle in the center of the circle.......Oooh, that's what we're playing," COME ON PUNK SIT DOWN IN THE CIRCLE" Undyne said, I nod and sit next to Fell and Frisk," Heya kid" Sans said I look at him. And smile," Heya Sans" I respond here chuckles," ALRIGHT LETS GET THIS START" Undyne said," O-okay, so we're p-playing spin the b-bottle, T-technically someone s-spins the bottle and w-whoever it lands o-on has to d-do the punishment that the person of the spinners choice" Alphy said," Heh sounds easy enough" Chara said and Frisk nodded. We then started playing, the first person was Undyne and the bottle landed on Frisk, then Undyne chose Me and I smirked," You have to give Frisk a kiss on the cheek" I said," W-WHAT!!!" Undyne shouted," Come on Umdyne, the bottle did land on you right and besides, I thought that you were the undying Undyne and don't back down for nothing yet a kiss on the cheek will" I said with a smug smile on my face, She was shocked," HA! I'LL SHOW YOU" She got up and walked to Frisk, she picked them up and gave them a kiss on the cheek without hesitation, everyone was a bit shocked, Frisk just giggled then Undyne put them down and went back to sit down," OKAY ITS YOUR TURN Y/N" undyne said, I nod and spin the bottle and after what felt like forever it landed on Fell then I chose Alphy," You two h-have to go upstairs into a room for 20 m-minutes and do s-something. Me and Fell looked at each and nodded, we both get up and go to a his room, sit on his bed and wait. After a minute of Silence and awkwardness I decided to break the silence," Sooo....what do you want to do with the time we have" I asked Fell looks at me with a smiles," Well let's talk" he said," okay, about what" I asked he smirks," Ya know, a little bird told me that you have a crush" he said which shocked me, I faintly blush," N-n-no I D-dont!" I stuttered which made me curse at myself, he Scoots closer," Awww, your doubting, that's cute" he said teasingly, I flinched from what he called me," C-Cute!?!?" I sqeaked out, he chuckles," Is there a problem with me calling you cute?" He asked with that smug smile on his face, I shake my head quickly and wave my hands," N-No no! Not at all!" I stuttered loudly and her laughs," So you do like me!" I squeal again and wave my hands everywhere," Stop putting me on the spot! Its embarrassing!- EEP!" once I finished sayimg that I was instantly pinned to the bed with both my hands on each side of my head and Sans pinning me down, I look up at him with a cute shockness in my eyes and my hair layed out on the bed, He looks back into my eyes with a smirk and he spoke in a very sensual tone," alright Gorgeous let's just seal the deal here, I know you like me and I have had my eyes out for you, so why the hell don't we just become a thing, plus we still have 15 minutes left so let's have a bit of fun huh~" I blush truly hard and I think for a long while before I nod, he smirks then instantly starts kissing me passionately, I kiss back wrapping my arms around him, I blush harder when I felt his red tongue lick my bottom lip ever so pleadingly for my mouth to open, I don't shyly and her growl at that, he grasps my thigh hard and I gasp in a moan and he skips his tongue in my mouth, as my tongue danced with his I felt myself get hot, I moan softly in the kiss. He then with a swift motion he takes off my shirt, he romives my bra and started leaving kisses down my jaw and to my neck, I moan louder as he leaves bruises all around my neck til he found my sweet spot, he abuses it as he massages my breasts making me moan so loud," You already moaning like crazy~ and We haven't even gotten to the fun part yet~ but gawd don't stop~" he rasply said, I moan more obeying his order and he smirks bigger as he continues bruising my sweet spot, he then pulls off my Pants/Shorts/Skirt and my panties, he smiles at how wet I was," so wet, so perfect~ hehe I love you body, its so beautiful~ better than I thought~" he says licking his lips (lips?), I close my legs in embarrassment, he opens them and he looks at me," don't close them, I like it just like this~" he says as he lifts ine of my legs onto his shoulder and he gets near my thigh, He kisses up and down it making me squirm and hold my moans, he noticed and chuckles as he let's his long glowing hot pointed tongue with a piercing lick my thigh, I couldn't hold it and I highly moaned, he lifts my other leg to his shoulder and gives it the same treatment, I moan more wanting more him, I then felt a piercing sting run through my leg, I look at Fell wincing and I saw him biting my thigh, it hurt since it went through my skin making it bleed but it felt good too, I left many 'love bite' on my thigh then he went to my womanhood, I blush harder and he chuckles hungrily, he licks my womanhood and I moan softly squirming, he kept going to he slid his tongue into me, I gasp and moan much louder as he licks all of me, I couldn't but feel this pure bliss come over me, a knot starts to build up in my stomach and It got tighter when he kept moving his tongue withing the depths inside me, he then stops making the knot die down a bit, I pant as He looks at me," My turn to have fun~" he says and her takes off his coat and his shorts exposing his big red member with his quite the girth, he had a few studs and I look at it scared it wouldn't fit," Don't worry Doll, I'll go easy" he says, I gulp as he lines himself, he then starts to push into me and I moan a bit tightly he reached the barrier, I once in pain and tear up, he stops once he made it past the barrier and he kisses the tears away," tell me when to go" he says and I nodded, after a few minutes I moved a bit and moaned softly, he took that as a signal to move and he starts thrusting, I moan wrapping my legs around his hip, he groans in pleasure as he continues," gawd your so tight" he thrusts faster making me moan louder, after lomg while he growls increased speed til he was going at inhuman speeds and slammimg deep into me, my eyes roll to the back of my head as I loll my tongue out, this felt like heaven I don't want it to stop! I then scream in pleasure as his studs started hitting my g-spot, I moan his name out in pleasure and he moans mine," G-Gawd Y/N! I-I'm gonna cum!" He moans out loudly, I whimper out close to cummimg too, after fucking me for a few minutes he moans my name loudly and came deep inside me, gawd it was so warm and it over flowed out of me, I came close after screaming his name both of our releases mixed flowimg out of me, I pant heavily along with him as he collapes on top of me," That...was....amazing~" he panted and I nod feelimg the flow stop, he lays next to me then pulls me close," your mine now~" he really spoke and I blush a bit more," I love ya Y/N" he says after and I reply with a tired smile," I-I love you too" I nuzzle into his chest til I fell asleep and he falls asleep not too far after.

Meanwhile

Alphys POV
"Should we go get them, its been 30 minutes" Undyne asked and I smirk shakimg my head," No, let then be, they'll be there the whooole night" I chuckle as Chara and Frisk gave me a thumbs up.

BOOM DONE! FREAKING FINALLY! Sorry for the wait people I was busy later, like very busy but I promise that your requests shall be done! Love ya