Sans AU One-Shots

❀Fell❀ || on top.

Pairing: UnderFell Sans x Nurse! Female Reader
Prompt: You're the skeleton brothers' nurse and it's your job to look after them - especially the careless, shorter one. So when he ends up in a bar fight, you're there the next second to make sure he's alright even if he claims he doesn't need your help.
Length: 6k words
Background: You share some characteristics with the Y/n in my Fell book (An Oath of Mercy) but this was meant to be in the same vein as the other nurse Y/n smut-shots I've been writing (with Nightmare and the other Bad Sanses). However this is not part of the series - this is a different Y/n and she doesn't work for the Bad Sanses.
Notes: This is very, uh, intense? I might've poured a lot of emotion into it so you'll need a jackhammer to cut through all the sexual tension between you and Fell 😅 The title is in reference to both of you trying to come out on top of the other (gosh I had fun having you two one-up each other 🤭)

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Sans took a deep drag of his cigarette, letting the smoke sit for a moment before releasing it into the air above the sofa. His bloody sweater and jacket lay on the living room floor next to his shoes, the bandages he'd haphazardly thrown around his hands the only reason his bones weren't as red as his eyelight. This was not how he expected his night to go.

"Sans!" He opened his sockets and glanced towards the door just in time to see a girl with a white doctor coat thrown over her arm and a blood-soaked shirt march into the skeleton's house, displeasure written all over her face as she stopped next to him. Along with her came the fresh scent of coppery blood, almost masking the smell of cigarette smoke as she loomed over him.

"Heya doc," he said, an easy smile curving his teeth that only seemed to irritate her further.

"You mind explaining to me what happened?" She tapped her foot impatiently as he took his time sitting up, tapping his cigarette over the ashtray before bringing it back to his teeth.

"Just a bar fight, sweetheart. Don't get your fucking panties in a twist." She didn't brush it off nearly as easily as him, and she snatched the cancer stick from his teeth to ground it into the tray with a glare sent his way.

"I don't care that you don't have lungs, cigarettes are bad for you." She set her white coat on the coffee table in front of the couch, keeping it just out of his reach in case he wanted to use the cigarette to burn a hole in it.

Sans glowered. "I deserve to unwind after that asshole spilled the only drink I could afford."

"Stop going to the bar so much and your skinny wallet won't be a problem." She flicked his forehead, earning a sharp grunt as he glared at her, but her pissed expression broke the next second as she crouched down next to the sofa and looked him over. "Where does it hurt?"

"That asshole didn't land a single fucking blow on me." He let out a harsh laugh and sat up, unwinding the bandages from his hands and smirking cockily. "You should see the other guy."

"Yeah, already did." She blew air out through pursed lips and wiped some blood off on her cheek. "He was my previous patient."

His eyelights flickered over her soaked outfit. "Looks like you got real fucking cozy with 'em."

"I had to in order to stop the bleeding." (Y/n) shot him a sharp look as she took his hands in hers to gently feel along his bones. "He was lucky I was looking for you."

"Are you expecting me to feel fucking sorry for the asshole that lost me my last couple gold and picked a fight with me when I got pissed?" His fingers flexed like he wanted to ball them into fists but she didn't let him, thoroughly inspecting his white bones before gently releasing him. All the blood on the wraps must've been from the other guy.