Dooyhun was a popular guy in school because of him being rich a basketball player in the school where he had lots of fans from the students. He had cold demeanour and type of serious person. Doohyun and you were a classmate but he always look out for you which mean, he protective over you.

Meanwhile, you are a girl who focus on your studies and being a best student who always got number one. People always called you as a gold child in the school due to status of your family.

Both of you not just being classmates, but more than that because they known each other since from kids due to their rich parents are a close friend of business together. Doohyun father always told him to look out for you and take care of you since ever they just kids.