(Can be done with any Sans AU, but was originally written with Horror Sans in mind)
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A 'fwump' sounds from behind you. A large presence you couldn't hope to achieve, suddenly lays against your back with arms thicker than yours wrapping around your midsection.
The weight presses down on you like a heavy blanket. Warm and bulky, it weighs you down with a sigh next to your ear, his breath brushing against your ear. The weight of the world on yours and his shoulders lifts, a soothing pressure compared to the stressors that pressed down on you daily.
Thick, boney legs surround your frame, intangling with yours in such a way that it left you trapped in an embrace. Your body leans down with his heft, eyes closing on reflex.
Normally, the sensation of hot air against your neck bothered you, always uncomfortable and left your skin feeling gross, but his never bothered you. He didn't have lungs, so no moisture clung to each slow exhale. It felt normal. Comfortable. Just like the rest of him.
His hand slides up your front. Slow...steady... Running up from the base of your ribs to your shoulder, gentle scratches with the tips of his phalanges, but never going harder. You melt further, humming softly at his touch. To which earns you a soft, rumbling purr from behind in response, vibrating against your back and neck.
Sometimes his hand trailed up your neck to your face, caressing cheeks and rubbing the space between your eyes. Smooth bone massaging your skin, then trailing back down, only to repeat the same motions.
No words need to be spoken for this impromptu cuddle session, you both already know what's being said. The sound of his breathing and quiet, deep hums are soothing to your very soul, and your presence was just as comforting to him. Grounding and reassuring.
You both would end up napping again, your eyes growing heavier than gravity wasn't the first sign of your fate. You probably had something to do today, but it didn't matter now. He wouldn't let go of you until much later, and you were content with that.
Metacarpals and phalanges rub against your face, tips running gently near your eyelids, encouraging your dozing. Your own hand returned his gesture, caressing the hand that remained on your midsection.
Leaning your head against his skull, a sigh escapes you, and everything fades into bliss...