BTOB's Sungjae in talks of joining tvN's new drama "Goblin" - Koreaboo
Céci 2016 August Issue: Yook Sungjae Interview | Sungjae Fanpage
Yook Sung Jae | Drama Wiki | Fandom
Céci 2016 August Issue: Yook Sungjae Interview | Sungjae Fanpage
People of full capacity] 능력자들 - Yook Sung Jae, Make a 'cars' acrostic poem 20160115 - YouTube
Watch: BTOB Dons Fabulous Costumes Once More At “2016 Idol Star Athletics Championships” | Soompi
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
Yook Sungjae and Joy Make Laundry Look Romantic on “We Got Married” | Soompi
Yook Sung Jae - 육성재 PH
BTOB's Yook Sungjae and Eunkwang Crack Up the Audience by Wearing Costumes | Soompi
File:Yook Sung-jae at WFMF concert in September 2016 03.jpg - Wikimedia Commons
BirthdayTalkToYou] BTOB Yook Sungjae “First trainee birthday, Changsub hyung brought me to the toilet…” | xuan (not in use anymore)
BTOB's Yook Sung-jae cast for new drama 'Goblin' - Entertainment - The Jakarta Post
TVPP】SungJae(BTOB),Hyuk(VIXX) –Archery Final, 성재(비투비), 혁(빅스) - 양궁 결승 @2016 Idol Star Championships - YouTube