Jellyfish Entertainment, the agency, released a celebration to announce Ken's discharge from maturity through its official SNS account on January 5th.

The released congratulatory image gathering attention as it shows Ken showing off his dignity in military uniforms and military hats.

Ken faithfully fulfilled his military service obligations after joining the military in July 2020 and will be discharged without holding a separate event following the Ministry of National Defense guidelines to prevent the spread of COVID-19. Ken, who returned to his fans in good health, plans to "work hard" by carrying out various activities in 2022.