On March 13, Jang Hyunseung announced his return from military through his Instagram account. Hyunseung shared a photo of him saluting in military dress, and wrote, “2018.07.24-2020.03.13, South Korean flag, Thank You.”
Jang Hyunseung enlisted for his mandatory on July 24, 2018. He made his debut as a member of BEAST under Cube Entertainment in 2009. In 2016, he departed from the group, while remaining members left the agency and rebranded as Highlight.