Park Jun-yeong is a policeman and friend of Han Geu-ru and Yoon Na-mu. He is usually seen attending crime scenes where clean up by Move to Heaven is required, and is their first contact when the pair needs the help of the police.
Like Na-mu, he understands Geu-ru's condition and tries his best to help him. It is hinted that he has feelings toward Yoon Na-mu.
