Luhan a high school student who was known as the prince in the school, was loved by many girls. But he never returned their feelings no matter how many times they tried. One of the girls who got rejected by Luhan was the best friend of Kim KyungMi, who always stood up for her one and only best friend. So KyungMi gather all her courage and decided to confront Luhan. But that wasn't the end of it, What happens when they became neighbors living in the same apartment? What will their relationship be like?