People of full capacity] 능력자들 - Yook Sung Jae, Make a 'cars' acrostic poem 20160115 - YouTube
Yook Sung Jae | Drama Wiki | Fandom
Soompi on Twitter: "#WeGotMarried Responds to Rumors of Yook Sungjae, Joy, Kim So Yeon and Kwak Si Yang Leaving https://t.co/MRjuADM0St https://t.co/mKxmeQ8A5f" / Twitter
Céci 2016 August Issue: Yook Sungjae Interview | Sungjae Fanpage