Yoon Ji-sung is a South Korean singer and actor under MMO Entertainment. He finished eighth in the second series of Produce 101, where he became a member of winning group Wanna One and debuted on August 7, 2017.Wikipedia
Born: March 8, 1991 (age 27 years), Wonju, South Korea
Height: 1.75 m
Wanna
1-1=0 (NOTHING WITHOUT YOU) · 2017
Spring Breeze
1¹¹=1 (Power of Destiny) · 2018
Energetic
1X1=1 (To Be One) · 2017
