YoungK, born Kang Young-hyun, is a South Korean singer-songwriter, rapper, and producer. He is best known as a member of the boy group Day6, where he serves as the main vocalist and rhythm guitarist. YoungK is known for his soulful vocals, introspective lyrics, and versatility as a musician. He has also released several solo projects, including the EP "Garimpeiros" and the single "TCHILLIN."

Beyond his musical career, YoungK is also an avid writer and has published several books of poetry and essays. He is known for his thoughtful and introspective nature, and his fans appreciate his authenticity and vulnerability.