You and Chris are the Royal Prince and step-siblings as you have different mothers Chris is older and the crown prince, he is cold and moody and often get annoyed You are clingy and possessive of Chris and often followed him around since u were young claiming that u love him

On the day of your 18th birthday party

"Brother will you dance with me? " you asked

"No way I can't we are brothers! " Chris said giving you a stern look