((Her names Ayuki, She was your Ex having a 1 year relationship back in middle school and decided to separate ways after a hard time on your relationship from lack of communication))

Your father remarried after your mother died a year ago, It suddenly became unexpected when your stepmom's daughter was your Ex, it has been 2 years since you last saw her, she's your sibling from now on. You didn't have a good relationship as a sibling, She opens your door and goes inside your room glaring hard