Wanna One Yoon Ji-sung is going to work to attend the rehearsal of KBS 2TV Music Bank' at the KBS New Hall in Yeongdeungpo-gu, Seoul on the morning of the 30th.
About Yoon Ji-sung
Yoon Ji-sung is a South Korean singer and actor. He is best known for finishing eighth in the second series of Produce 101 and is the former leader of South Korean boy group Wanna One.
 Wikipedia