Cho Yoon Sung, known simply as Yoon Sung, is a South Korean singer, dancer and member of 8TURN (에잇턴). He graduated from Seongsu High School. He made his debut in January 2023 as the group's vocalist with their first mini-album, "8TURNRISE". They are managed by MNH Entertainment (MNH엔터테인먼트). (Source: MyDramaList) Watch drama online for free.