2016 World Championships Highlights- Jung Youngsik vs Grigory Vlasov 올린이:w3devlabs 2016년 6월 3일 2016 World Championships Highlights- Jung Youngsik vs Grigory Vlasov에 댓글 남기기 2016 World Championships Highlights- Jung Youngsik vs Grigory Vlasov 2016 World Championships Highlights: Jung Youngsik vs Grigory Vlasov