Seungjae "You're not my dad. Who are you?" [The Return of Superman/2018.12.09]
15:27
SEUNGJAE is worried about his Dad "Are you okay?" [The Return of Superman/2018.06.03]
15:18
Seungjae taking the subway alone [The Return of Superman/2019.05.19]
5:23
|Engsub| Song triplets and Song Il Gook on You Quiz on the block (1)
1:38:26
[SUB] 1.5 HOURS of "My uncle is a K-POP star" #JUNHO #KAI #KYUHYUN #KEY
8:37
can't believe this is Ko Seung Jae now! 😍 +His english skills| Ko Seung Jae| TROS
2:40
※비상사태※ 발이 심하게 부은 호영(Son Ho young)을 호송하라! 같이 걸을까 7회
20:34
Seungjae, Yian, & Yiel's trip to Gyeongju! [The Return of Superman/2019.03.24]
3:43