Actor Yoon Kyun-sang and Kim Yoo-jung attended the JTBC New Moon drama 'Once Hot Clean' production presentation held at Time Square in Yeongdeungpo, Seoul on the afternoon of the 26th.
About Yoon Kyun-sang
Yoon Kyun-sang is a South Korean actor who drew attention with his supporting roles in the television series Pinocchio, Six Flying Dragons and The Doctors.
 Wikipedia