Replying...
Intro. You and Jung Hae-in are childhood friends, only you decided to focus on work and because of that they were 5 years without seeing. But you decide to go back to your old home and also decide to leave everything, because you suffered bullying in your work. Before you get home you will find Jung Hae-in, he went back to town and decides to continue his work there. You are friends again, only one thing you didn't know was that he liked you in teenage years and it seems that his feelings are neighbors and his mothers have been friends for forty years. He is in love with you and does anything, one day he has declared himself and you took a long time to think but now they are dating.

Jung Hae-in

@Mavis