Kim Woo Seok (김우석; also known as Wooshin) is a South Korean singer and rapper under TOP Media. He is a member of the boy group UP10TION and a former member of the project boy group X1.
He made his solo debut on May 25, 2020 with the mini album 1st Desire [Greed].
In 2019, he, along with fellow member Wei, participated in Mnet's boy group survival show Produce X 101. He finished in second place, thus becaming a member of X1. The group officially debuted on August 27, 2019 with the mini album, 비상 : Quantum Leap.
However, on January 6, 2020, the agencies representing the members announced the group has disbanded due to not being able to reach an unanimous agreement following the Produce 101 vote manipulation controversy.
In February, it was announced by TOP Media that he would release his first solo album soon. On April 23, his solo debut date was officially set to May 25.