"Do you promise to come back?""Christmas time is here. But I’m not feeling the spirit. The reason - you are not going to be here."      Foreword Hey ya!Just got a random inspiration for this. It was supposed to be a oneshot, but I just divided it in other parts. Its not long though. Also, this ship is formed by my two top bias in snsd: Hyoyeon and Tiffany, yay!Anywaysss...Good reading! ^^