Yoon Ji-sung, a singer from the group Wanna One, had his first solo album "Aside" showcase at Blue Square in Hannam-dong, Seoul on the afternoon of the 20th.
Yoon Ji-sung is singing.
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