New character will come along their way. New challenges and adventures. Their relationship will grew even stronger [of course with the help of someone]. How will Kyuhyun and Yoona overcome these trials? Will Kyuhyun ever fullfil his promise with Yoona's mom, to take care of h

Kyuhyun and Yoona both became unsuccessful with their first love. Could they be able to move on and forget the saying that "First love never dies?"