~(Y/n) Pov
~7 Years Old~
Red and I were playing Hide and Seek, I was winning so far. He won't be able to find me in my hiding place.
"(Y/n), I give up! Where are you?!" Sans yelled as he walked outside. I was on the roof, so he couldn't see me very well.
"Look up," I told him. When he did, his eye sockets widened.
"(Y/n)!? How did you get up there!?" I giggled at his reaction. I pointed to a latter on the ground.
"I climbed that, uh, could you help me down?" He nodded and I glowed red. I was lifted and placed on the ground softly.
"There ya go, Sweetheart," Sweetheart was his little nickname for me while I called him Red, or Edge.
"Thanks, Edge," I smiled and so did Red. He's been my best friend since birth. He's older than me by four years.
"It's no problem, but that's a really good hiding place, I should use it next time," he smirked playfully.
"But that's my spot!" I giggled and faked a wine.
"Kids! It's getting late!" That was Gaster, Sans' dad. He let me live with them after my parent died.
"Coming dad! We should get inside," Red looked at me as he said the last part. I nodded in agreement, it's not a good thing when Dr. Gaster gets mad. We raced inside.
"You two get to bed," Dr. Gaster commanded us.
"Yes, Dr. Gaster,"
"(Y/n), call me Gaster," I nodded and followed Sans to our room. Half of the room was a dark red while the other was a light (f/c). We slept in the same bed because i have this insomnia where I have nightmares that keep me up all night if I sleep alone. Sans got in the bed first, then I got in and nuzzled into his side. He wrapped his arms around me.
"Night Sweetheart,"
"Night Red," We both fell asleep soon after.
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Hey my silly people, well, this is my first chapter of my Underfell Sans x Reader you will soon understand why it's all italics Byeeeeeeeeeeeeeee!!!
Word Count:359
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An Old Friend ' Underfell Sans x Reader '
FanfictionYou and Sans had been friends since you were little, when the monsters had to leave, you were really upset that your only friend, Red as you called him, had to leave. Will he remember you after 7 years of being in the underground? Or will he just fo...