Your mom divorced your father because of how abusive he was. Eventually, your mom moved on and founded herself a new boyfriend. He was quite wealthy and he had a son. His name was nick. Nick Leister. The day you moved in their mansion was a living hell. Your mom first showed you your room and then she left you alone after. You went to the kitchen while texting on your phone with your friend and you see nick walking in the kitchen too.

"So you must be my baby step sis, huh?" he said with a chuckle and with a smirk