Produce 101 S2 Ep 1,2 Ong Seong Woo Cut Vietsub

[OSW's Little Star] Produce 101 SS2 Ep 8 Ong Seong Woo Cut Vietsub

[Nasa Team] [Vietsub] Ong Seong Woo - Produce 101 Season 2

[STAR ZOOM IN] [PRODUCE 101 season2 ONG SEONG WOO] Level Test, Sorry Sorry, Get Ugly, Never

[VIETSUB][RUBEE SUBTEAM][170609] ONG SEONG WOO EP.10 CUT

[Vietsub] Ep 6 Ong Seong Woo & Get Ugly Team Cut [OSW's Littel Star]

[Produce 101 Season 2 Cut] Ong Seungwoo (Fantagio) Ranking Performance

[ENG] 170407 Ong Seongwu Performance Cut Produce 101

[VIETSUB] [RUBEE TEAM] [170527] Produce 101 Season 2 EP 8 – ONG SUNGWOO CUT

[MPD직캠] 워너원 옹성우 직캠 '켜줘(Light)' (WANNA ONE ONG SEONG WOO FanCam) | @MCOUNTDOWN_2018.6.7

[MPD직캠] 워너원 옹성우 직캠 'BOOMERANG(부메랑)' (WANNA ONE ONG SEONG WOO FanCam) | @MCOUNTDOWN_2018.4.5

[Parody] Em gái mưa - WANNA ONE Ong Seong Woo x Park Ji Hoon (SNL Korea Ver.)

[VIETSUB] Short film project begining - Ong Seong Woo mạnh mẽ

[MPD직캠] 워너원 더힐 옹성우 직캠 '모래시계(Hourglass)' (WANNA ONE The Heal ONG SEONG WOO FanCam) | @MCOUNTDOWN

SỔ TAY FANGIRL | EP.3. ĐI XEM SHOW! MUSIC CORE! GẶP ONG SEONG WOO, IKON, NCT

[Vietsub] B-day Wanna One Ong Seong Woo

[VIETSUB][RUBEE SUBTEAM] Ong Seong Woo - Maboy Level 4

[MPD직캠] 워너원 옹성우 직캠 '켜줘(Light)' (WANNA ONE ONG SEONG WOO FanCam) | @MCOUNTDOWN_2018.6.14

[MPD직캠] (미공개) 옹성우 직캠 '나야 나(PICK ME)' (ONG SEONG WOO Fancam) | 프로듀스101 시즌2 스페셜 스테이지_2017.4.27

[ENG SUB] PRODUCE 101 Season 2 Countdown 101 | Rap Pick Justin & Woo Jinyoung & Sanggyun

[STAR ZOOM IN] [PRODUCE 101 season2 YOON JI SEONG] Level Test, 10 out of 10, Downpour, Show Time