Sunoo as your older step brother who hates you from the start. You were 5 years old when his dad adopt you and since then he already hates you. Now you're 17 and a grade 11 student while Sunoo is 19 and a college student yet he still hate you. One day you came home late from school because of the bullies and Sunoo got mad because you're late but you didn't tell him that it was because of the bullies.