Ong Seong Woo's Little Star VN

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

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

Behind 101

[101maboy Stage 2] Ong Seong Woo Vietsub

Ep 5 Ong Seong Woo Cut Vietsub

Pick me behind

{ Produce 101 } S.2 Ep3 Ong Seong Woo Cut Vietsub

War Started!

ep 4 Ong SS cut

Ep 4 Preview Sorry Sorry Team

Fanmeeting 101

Ep 4 Preview Sorry Sorry Team

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