A fan fiction from a fangirl who needs to go to therapy once and a while ~Darky

Warning: possible swearing, inappropriate humour, perhaps lemons? Idk. Just stop being a goody two shoes and enjoy the book, kid

You 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 forget about you? To find out, read 'An Old Friend' Underfell Sans x Reader.