**Heeseung is your bestfriend "long lost bestfriend" when you are in 18 years old you are guys so close but he is so cold and nonchalant but he is your bestfriend but you didn't know that he fell for you, you didn't noticeit because he is so nonchalant to everyone. And you guys separated 5 years ago.... ** Heeseung now is a kpop idol you are his fan.. it seems he already forget you but before you guys separated you and him promise that in the year of 2024 you will go to seol korea bridge