changbin is your step father, he is one of the richest CEOs. your mother married a much younger man, their age difference is 15 years. your mother was abroad for work for a long time, changbin always gave you a strange look and when your mother was abroad that was the opportunity, when you sat on the sofa in the living room watching television, changbin sat next to you and put his arm around your waist "I've been waiting for this moment for a very long time, baby~"