Hak Jin is a model and actor. He is a former pro volleyball player and has played professionally for 10 years until a knee injury forced him to quit. Hak Jin made himself known through the sports variety show "Cool Kiz on the Block".
Biography：Hak Jin is a model and actor. He is a former pro volleyball player and has played professionally for 10 years until a knee injury forced him to quit. Hak Jin made himself known through the sports variety show "Cool Kiz on the Block".
