Undertale AU Oneshots (I gues...

By The2tailedfoxy

3.2K 53 56

heLLO. Since my two other Undertale Oneshots did so well, and I was wondering if Undertale is still relevant... More

Request Page
{The Feeling Of Love} Ink! Sans x Emotionless! Reader
{It Doesn't Matter} Fell! Goth x Chubby! Reader x Fell! Palette
{Burned Out} Alterswap! Asgore x Genocide! Reader
{Honey} Underfell! Sans x Reader x Underswap! Papyrus
{Sweet Nightmares} Underswap! Papyrus x Reader x Nightmare! Sans
{Naive} Underlust! Sans x Innocent! Female! Reader
{True Colors} Depressed! Ink! Sans x Error! Sans
{You're Mine} Dom! Ink! Sans x Sub! Error! Sans
{Experiment} Asgore x Gaster
Finished

{Fool} Underswap! Sans x Flowey

182 1 0
By The2tailedfoxy

Requested by MissFont

Okay, so this one was technically from my Swapped Oneshots request page, but that book is complete, and I decided I would write those requests on here! Also, this Flowey is from the original Undertale. If I don't put something like Underswap! or Underfell! in the title name, it means it's the original, ok? Also, I dunno if I said it before, but let's just say that skeletons have lips cause they're freaking magic.

⚠️ SMUT WARNING! THIS WILL BE A SMUT⚠️

~~~~~~~~~~

[Sans' POV]

I walked through Snowdin aimlessly. "Papyrus...why are you so lazy!?" I cried angrily to no one in particular. I had just gotten into an argument with my brother about working, and not being lazy.

I frowned as I found another sock in the living room. Of course, there had always been that ONE sock in there, and I was even willing to let it slide, but I woke up that morning too find TWO socks! "PAPYRUS!" I screamed at the top of my lungs. Papyrus stumbled out of his room tiredly.

"What...?" He mumbled.

"Why is there TWO SOCKS in the living room!?" I asked. He just shook his head and walked back into his room. "PAPYRUS!" I ran up the stairs, knocking on his bedroom door. "Papyrus, so help me, I'll-"

"Don't you have work or something to go to?" Papyrus asked through the door.

"I have the day off, but you do not!" I said, continuing to knock on the door. He opened the door, raised a nonexistent eyebrow, and walked down the stairs. "Don't stop at Muffet's! Go straight to work!"

"Mhmm." He said, leaving the house. I frowned as I peered out the window. He immediately walked inside Muffet's!

"UGH!" I said, frustrated. I took my anger out on the sock, kicking it across the room. I suddenly froze. Why was I so angry? Papyrus is always lazy, I should be used to this!

"I should..." I mumbled to myself.

"Your brother stressing you out?" A voice said.

"EEP!" I cried, leaping off the ground, face planting in the snow. I looked at the ground to find a Flowey. "Oh...just a Flowey."

"'Just a Flowey'!?" It cried, sounding very angry. My eyes widened. "How dare you! I'm not like those retards that care for hard-boiled eggs!"

"Hey!" I said, sitting up. "Don't be so rude!"

"Oh. You're not my Sans." He said, looking up at me. I cocked my head to the side in confusion. "You're a pussy, is what I'm saying."

"W-What!?" I cried. "I-I'm not a..." I trailed off.

"You can't even stand up to your brother and force him to stop being such an ass." Flowey said. "You were just mumbling about it to yourself for like thirty minutes!"

"O-Oh..." I said. "B-But, that doesn't make me a-" I stopped myself.

"A pussy?" He said with an eyebrow raise.

"That's a bad word!" I claimed, folding my arms, frowning. He rolled his eyes.

"Now it's obvious you're not my Sans." He said, staring at me. His eyes suddenly widened and a mischievous smile grew on his face. "You know, you're pretty stressed about your brother, huh?"

"Y-Yeah..." I admitted. "But THE MAGNIFICENT SANS does not get easily stressed!" I added.

"Uh-huh, sure." Flowey said with a nod. "Anyways, I know the best way to relieve stress, ya know?"

"Really?" I asked, suddenly intrigued. 

"Yeah. I can show you if you like?" Flowey said. I hesitated. "But you know, if you don't wanna, that's cool. I can just...leave..." He made a sad face, head hanging.

I felt guilt take over me. "Honestly, I'd love to hear your way of relieving stress!" I said cheerfully.

"Good." He said. "Follow me." The flower appeared in and out of the ground, making a path for me to follow. He led me somewhere deep in the woods. Not sketchy at all! With a smile, I followed. I felt happy now that this Flowey was. We soon came to a part of the woods that I'd never seen before. Dang, we must be really deep in.

"How come we have to be so deep in the woods to do this exercise?" I asked. Flowey looked up at me with a smirk. I smiled back, making it as wide as possible. Stars flooded my eyes as we came to a stop.

"Well, this exercise is to be done in private. It's a thing between two people, sometimes more." Flowey said, looking up at me.

"Oh. So I can't do it by myself? What is it?" I asked curiously.

"Sex." Flowey said bluntly. I raised an eyebrow.

"What's that?" I asked. Flowey rolled his eyes.

"I can show you if you want~" He said, and I suddenly felt vines wrap around my wrists.

"U-Uh..." I muttered, looking down at Flowey. "Will it make you happy if I do it? It's not a bad thing, right?"

"Oh, absolutely not. In fact, sex is a great experience~" Flowey said. "Alright, let's get started." The vines grew up my arm, wrapping around my torso and waist, pulling me to the ground, sprawled across the snow.

"Um, Flowey?" I said. "Your vines are a bit tight, and it hurts."

"Oh really?" Flowey asked sarcastically. "Don't worry, the pain will turn into pleasure soon~"

"Um..." I said. I wasn't really sure what he meant but... "If you say so, Flowey. I trust you." He let out a high pitched laugh as it vines wrapped around my clothes, ripping them off. My eyes widened as I felt my pants rip off, but I wasn't cold.

"Do you know how to summon your cock?" Flowey asked.

"...Cock?" I wondered. Flowey rolled his eyes and shook his head. "Is it a magic thing?"

"Yes. If you can summon your cock, this will be a lot easier." Flowey said.

"O-Okay." I said with a stutter. "I, the Magnificent Sans, will try and summon my...cock!" It felt weird saying that word...

Using my magical powers and incredible focus, I was able to summon something I don't think I've ever seen before. One of Flowey's vines slowly wrapped around my thick cock, pumping it up and down. Before I knew it...strange noises started emitting from my mouth. 

"F-Flowey, what noise a-am I making?" I asked with a pant.

"Those are called moans." He said, going faster. "Moans are noises of pleasure. Feel free to make them whenever you like. When you make them, the both of us feel pleasured." I nodded and continued making the noises as he went faster and faster, to the point where a string of white sticky stuff shot out of my cock. "That's your cum." Flowey answered before I even had the chance to ask. "It tastes nice, I'll tell ya that." His face loomed over my cock, licking the tip, then moving it inside his mouth. I flinched as his head bobbed up and down, sucking on it, licking it, doing all sorts of stuff. My mind went hazy and my face felt hot. I laid the back of my head back on the snow, arching my back as I felt Flowey's vine constrict in a sorta pleasurable way. In a way, it was like a massage all over my skeletal body.

I gasped when I felt Flowey's vines rub in and out of my body, massaging my bones. I bit my lip and stared up at the ceiling of our underground home. "F-Flowey?" I asked. He didn't respond. "I-I wanna say something, b-but it's a bad word-!" I suddenly felt Flowey take in ALL of my cock. "F-FUCK!" I shut my mouth and closed my eyes, feeling ashamed through all this pleasure.

We went on like that for a few more minutes before he stopped, putting my clothes back together and on my body. I was panting as his vines contracted from my body, leaving me as a heap in the snow. I looked over at Flowey. "How was that?" He asked.

"It was..." I started playing everything that had happened in my head, reliving every moment. "...stress relieving."

~~~~~~~~~~

WHOO! I feel like that's the first time I've written Smut in a while, so please don't get mad, I might be a little rusty. Anyways, I hope you enjoyed and I'll see you next time!

-the2tailedfoxy

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