Sans AU One-Shots

❀Outer❀ || friday. (HG)

Pairing: Demon! Outertale Sans x Summoner! Female Reader
Prompt: It's the demons' heat week, and (Y/n) offered to help them out with their urges.
Type: smut
Length: 3.3k words
Background: This was in Her Guardian as part of a spicy week-long bonus thing where each of the guys got a day of the week with Y/n to claim her. The goal of the heat week is procreation (i.e. making babies) and after mating, the heat urges go away. The Stars are a lot more respectful and restrained, thus less likely to make their intentions obvious like the Bad Sanses and seek Y/n out, but the heat still affects them (just less obviously). | Takes place on Friday - late in the week (so the heat is worse) and after Swap's, Slash's, Ink's, and Error's
Notes: Lucky Y/n - the joys of being in a reverse harem, I suppose. Them being a demon only changes how tall they are (at/over 6'4"), their power (they're much stronger than humans), and how they see Y/n (among other things I explore in my full-length story that aren't relevant for this smut-shot). I tried to remove any information that pertains to the events of Her Guardian so you can read this as a stand-alone story and understand everything. 

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The stars were beautiful tonight, the midnight sky crystal clear with not a cloud in sight, meaning Outer was able to see every single twinkling light the world had to offer from his spot in the warm (L/n)s' attic—which had been modified many years ago to have a skylight installed so the entire ceiling was window. He was laid out on a blanket designed for a picnic, giving him a comfy barrier between him and the hard wood flooring—not that he'd be able to feel the cold anyways. All he felt was heat, though that had nothing to do with the temperature, and he released a sigh as he shifted on the blanket. He wondered how the others were doing this week, unsure if their urges had been satisfied and much too nervous to think about asking, before his thoughts drifted to his own heat problems.

Outer wasn't the type to like taking matters into his own hands, and at the very thought, his cheekbones dusted with color and he slid his hoodie off, draping it on the blanket next to him. Somehow the attic felt uncomfortably warm and his racing thoughts weren't helping, so instead he tried to focus on the stars. Space had always fascinated him—he was a Sans after all, and every Sans shared some love for the stars even if it wasn't a big part of their character. Outer though? It was the very thing he loved most about back home. So despite enduring the insufferable heat he'd been trying fruitlessly to push to the back of his mind, the stars twinkling down at him calmed his nervous fidgeting until he could take a deep breath in and out to calm himself.

A creak came from the ladder leading up to the attic and Outer glanced over to see a (s/c) hand push the trapdoor down to the master bedroom open, (Y/n)'s head popping up with her eyes already pointed towards the night sky before she spotted Outer's softly glowing eyelights staring at her. "Hey Outer." She sent him a small smile as she climbed up into the attic, eyes going skyward again in amazement. "I should've known you'd be up here with a view this good." She let out a quiet whistle before walking over to him. "Can I join you?"

Outer sprang to life, quickly grabbing his hoodie out of the way so she could take the spot next to him and trying to hide his flustered skull behind it. She let out a quiet sigh as she laid down beside him, visibly leagues more comfortable than him, but as he tried to pretend he wasn't admiring her out of the corner of his socket, he spotted goosebumps on her arms. "Are you cold?" he asked.

"Yeah, you'd think I'd learn to bring an extra blanket or something when I come up here," (Y/n) muttered under her breath before smiling awkwardly at Outer, eyes flickering down to the hoodie half-extended towards her. "You don't have to give me your jacket."

"You look good in it." His words shook, botching the delivery as he extended his hoodie to her, and he tried to smile flirtatiously but he probably just looked more nervous than anything. He wasn't all that smooth and he didn't have much experience, and it was really coming back to bite him right now.