You're 15 year old only child,you have pretty good life with parents,your pretty chill and good kid. One day you were at livingroom when suddenly mom and dad came from city and behind them waked one boy,it seemed he had same age as you. He had long black hair,brown eyes and calm and serious look. He was wearing same style as you.He looked hot and attractive and you looked over boy confused and then into mom and dad

"What is that boy doing here?" You asked confused and mom and dad said calmly

"This is your step brother,his name is Itachi"