Cold nights Sans x Reader

Recap.

(Y/N POV)
Your frozen, stuck to the ice and very cold, you just came out of a large purple door,
When you first fell, a flower who called himself "flowey" he said he was friendly... He nearly killed you after. A tall and sweet goat woman named "toriel" helped you, she showed you puzzles, and made you a pie, then you just left her, heartbroken, alone, you thought "I'm a monster, Y/N you are a monster." as you stare at the door, you walk back up to it, you try to open it, it's locked, just as you thought. You hear footsteps behind you, "Who is it!??" You said "don't you know how to greet a new friend?" "Turn around and shake my hand" said a deep yet lazy sounding voice. *you turn around and shake his hand *phhhhhgh* heh heh "the old whoopie cushion in the hand trick, hey I'm sans, sans the skeleton. What's your name?" "I I'm Y/N..."