Kai is cold, mysterious, doesn’t like anyone… except is family and those he chooses to keep close. What no one knows it that he goes out at night looking for bad guys, men and women who hurt people, once he finds the proof that they hurt someone he goes out to “get rid of” them. Your his sisters best friend. No one knows that you got hurt, you were to scared to tell anyone, but Kai being the hacker, being the guy who searches for these types of things, he knows. And he’s going to make sure the person who hurt you pays badly.