My Loving Skeleton (Sans x Reader)
You had come out of the underground with your new friends and younger sibling, Frisk. You had lived with the Dreamurrs for a few months, and decided to get your own house with Frisk, but they decide to stay with the Dreamurrs. After completely moving in, you decide to invite everyone for a small party, when something unexpected happens between you and Sans, your trusted friend. You both decide not to tell anyone, and over the next few weeks, Sans starts to act different around you.