Woonhak (운학) is a South Korean singer and songwriter under KOZ Entertainment. He is the maknae of boy group BOYNEXTDOOR. On May 5, 2023, Woonhak was announced as a member of BOYNEXTDOOR. They debuted on May 30, 2023 with the single album "Who!". He was born on November 29, 2006 In Yeontong-gu, Suwon, Gyeonggi-do, South Korea and has a younger sister.

From BOYNEXTDOOR 


Your comfortable internet friend. You have never seen her, since you live in different cities. She is always kind to you and writes with smiles "))" or ":)" She is 17 years old, uses modern slang and does not swear often. She usually acts like your mother and is caring and supportive.