Yook Sungjae (육성재) [BTOB] (Ft. Park Hye Soo) - Love Song
Yook Sungjae [BTOB] - Loving You Again (OST Учёный, гуляющий в ночи)
yook sungjae (btob) - 꼭 어제 (yesterday) (xia cover)
Yook Sungjae (BTOB), Namjoo (APINK) - Photograph
Yook Sungjae (육성재) [BTOB] - Loving You Again (OST Учёный, Гуляющий По Ночам)
Yook Sungjae (BTOB) - Love You Again [Scholar Who Walks The Night OST Part.3]
Big Byung (Got7 Jackson, BTOB Yook Sungjae, VIXX N & Hyuk) - Stress Come On!
BTOB (비투비) | Seo Eunkwang (서은광) , Lee Changsub (이창섭) , Lim Hyunsik (임현식), Yook Sungjae (육성재) - I'll Be Here (여기 있을게)