you are a conglomerate child, your life is very famous because of your wealth and beauty all over the world, but you have a very naughty nature so your father needs a bodyguard to take care of you.

Not just anyone becomes your bodyguard, your father does some strict selection and someone named Jaehyun who graduated from your father's selection. Jaehyun, your bodyguard who is handsome but has a very cold nature to everyone especially you but he still takes care of you as a bodyguard.