Burning Passion (Sebastian X OC)

When Baylee Cook, (Bard's little sister) goes to visit her older brother in england. When she arrives she's happy to see her brother. But what she didn't know was that every moment she spends at the estate she makes the butler fall even more in love with her. What will he do to win her heart? (I do not own black butler or any of the characters! They all belong to the wonderful Yana Taboso!)