On March 9, Long Play Music announced that Sung Hoon left the group Brown Eyed Soul on March 8, 2023.
The agency said, "We agreed amicably with Sung Hoon to terminate the exclusive contract. As many fans know, Brown Eyed Soul is a group that has been active based on the friendship and trust of members for a long time, and there have been a lot of efforts and concerns leading up to this decision."
"Members and all the employees bless Sung Hoon's future, wish him good healthy, and express their deep gratitude for his brilliant activities so far."
"As the decision was made after going through a difficult process, we hope that fans will respect and bless Sung Hoon's decision, and we hope that you will continue to support and anticipate Brown Eyed Soul's new appearance."
Brown Eyed Soul, composed of Jung Yup, Naul, Young Jun, and Sung Hoon, has been loved as the top R&B soul group in Korea since their debut in 2003.