Sebastian x Reader Part 1

Hi people! This is my first story....and it's a lemon...DUN DUN DUUUUUUUUNN! Anyways I might as well start off with something big, right? Okay I hope u iz ready! Oh yea and:
DIS IS A LEMON! IF YOU DONT LIKE IT THEN PLZ DONT READ! IT MAY SOIL YOUR INNOCENCE