Hyunjun Hur (허현준, formerly known as Hwall) is a South Korean singer under his own label, Dia Note. He is a former member of the boy group THE BOYZ.
He originally debuted with the boy group THE BOYZ on December 6, 2017 with their first mini album The First.
On October 23, 2019, it was announced that Hwall has concluded his activities with THE BOYZ so that he could focus on his recovery after a leg injury.
On August 14, 2020, he released the music video for his first solo song "바라기".
On December 30, 2020, he debuted as Yoo-Han in the BL K-drama, 'Color Rush.'