"Promise me we will marry each other okay?"
Two childhood friends, Mark and Y/N promised they would marry each other when they grow up. Years later, they reunite, forgotten each other.
Will their promise be broken?
After getting fired from your job, your friend jokingly applies you to work at SM Entertainment but an unexpected email is sent during your hardest time. Will you be working alongside the idols? or behind the scenes? And will you be able to keep your emotions professional...