SBS: Nam Joo Hyuk & Lee Sung Kyung Are Back Together After 4 Years. It is speculated that actor Nam Joo Hyuk and actress Lee Sung Kyoung are back together. YOU MAY ALSO LIKE Caught Nam Joo Hyuk using military vacation to date Suzy? Ahn Hyo Seop and Lee Sung Kyung burst into tears and … Continue reading SBS: Nam Joo Hyuk & Lee Sung Kyung Are Back Together After 4 Years.