Sun-Young, is a new 'trainee' at SM. She's Chen's cousin so she already knows some of the Exo memebers. Without Chen's knowing she get's casted as part of exo's new m/v.  Problem is that Sun-Young is still living with her parents, far away from where she works, but with accepting the m/v job and helping writing lyrics for new exo song's she get's accepted to stay at their dorm.  Will it be all it's cracked up to be? Or will she finish by cracking because of the strain of being t