When We Return/ciel x AU reader lemon /

y/n and ciel have been best friends since they were born their parents were best friends before they passed away and after their parents died they were separated for a month or two then ciel had got his damon butler and so did y/n their butler's got them back together again but what will happen if lady Elizabeth comes in and brainwashed ciel to make him love her what will happen to his and y/n's relationship