On April 5, Around US Entertainment relayed an official statement on behalf of Highlight's leader Doojoon, confirming that the idol has been promoted for his model behavior. 

The label stated, "After his enlistment, Doojoon showcased model behavior by always fulfilling his duties diligently and setting good examples for his peers; as a result, he has been promoted to the level of corporal as of April 1, 2019, 3 months in advance. We promise that Doojoon will continue to work his hardest for the remainder of his mandatory service, before greeting fans with a healthy image." 

Doojoon, who enlisted back on August 24, 2018, is currently serving in the army's 12th infantry division. Congratulations on your promotion, Doojoon!