"I promise you no more secrets " he says --- Kim Ara, 20 year old fan girl who love BTS, in fact love kpop gets an anonymous follower in her Instagram. They become bestie but not until she finds out the secret. So she gets a new job. The job which she loves Will there be more than friendship with the anonymous follower. ??? Will her life turn out to be what she had expected or worse?? Read to find out who's the Anonymous follower.