Let Me Know

What will you do if you meet your childhood bestfriend and your soulmate , but he can't even remember your existence , the one who used to be your closest friend , the one who used to be with you all the time , the one who you want to confess a long time ago , your precious chimchim , has gone 3 years ago.
And now , he work as one of your bodyguard to keep you safe. Will he recognize you? Will you be able to confess all of your feelings? But what if he turns out to be another person? What if the chimchim who used to be your crush is long gone?and what will you do if it turns out that he is not the one? Will you still fight for his love?