South Korean artists Song Hye Kyo and Song Joong Ki fell in love with each other during the shooting of the drama 'Descendants of the Sun'. The director of the drama revealed  Song Joong-ki has kissed Song Hye Kyo 100 times in the shooting.

Director Kim Si Hyung said Song Joong-ki had more retakes than Song Hye Kyo. He explained that the couple has kissed about 100 times for different shooting angles. "It seemed that Song Joong-ki was not tired at all!"

Kim Si Hyung said that the Song-Song Couple had a simple relationship at the beginning of the shooting, but they got very close near the end of the drama and sometimes Song Joong-ki call Song Hye Kyo "sister".