Trancy twin?! (Kuroshitsuji/Black Butler)

My dear nephew,
I am writing to you to tell you that you have a twin sister. By the time you read this, we will already be on our way. I hope you take remarkable care of your sister; she is special. Try not to anger her, it could be very bad if you did. She is very shy, she loves to read, paint, write, and playing instruments. Her favorite color is purple and she loves horses. Please do anything you can to make her feel at home. If you have a female in the manor, she will most likely cling to her for she is not fond of males. She is scared of them for some reason she will not say. She will most likely hide in her room quite a bit until she gets use to things. Please go out of your way to keep her safe and calm.
Love,
Your Aunt

Welcome! I am working on editing and new chapters, please bare with me readers! Thank you!
Rosie