(Yan?) Nightmare sans x Fem!reader

You are y/n, y/n L/n a pretty and a very kind girl who owns a cat cafe and works hard. But one day.. A goopy skeleton comes to visit your cafe, you never seen a skeleton like that though.. So you are very interested in that skeleton, but what you don't expect.. Is that he might become your friend.... Or more than a friend (forcefully of not)