Kim Woo Seok begins his mandatory military duty on November 4. After his agency confirmed the news, fans rushed online to share their thoughts about the sudden news.

See: UP10TION Kim Woo Seok Signs Contract With Ju Ji Hoon's Agency + What's Next For Idol-Actor?

See: Young and Handsome Korean Leading Actors Who Make September Extra Special

"Kim Woo Seok's agency Blitzway Studios confirmed that the singer has been accepted for a position in the ROK military band. Kim Woo Seok's enlistment date will be on November 4," 'Allkpop' reported.

They added, "Prior to enlistment, Kim Woo Seok will bid his fans goodbye at his birthday fan meeting, 'October, the twenty-seventh afternoon', taking place on October 26 at the Grand Hall at Sunshin Women's University."

Hopefully, the former singer returns to his acting career right away when his discharge date arrives. He expressed the positive acting experience he had during a 2021 interview with Arena Homme Plus magazine. "I've learned so much from acting and filming together with the production crew and the other actors. I feel like I received a valuable lesson each and every shoot," he said about the Kdrama 'Bulgasal' according to a report from 'Soompi.'

Kim Woo Seok left his boy band UP10TION in February 2023. His last Kdrama was available exclusively online. The horror web series 'Night Has Come' was released through U Plus Mobile TV in South Korea. The story follows a group of high school students playing a deadly mafia game. The series featured Lee Jae In, Choi Ye Bin, Cha Woo Min, and Ahn Ji Ho.

Will you miss him when he enlists? When did you become a Kim Woo Seok fan?