They all enlisted on January 20.
Three fourth-generation K-Pop idols officially began their mandatory military service on January 20, 2025 (KST).
In 2019, 28 years old Rie debuted as a member of OnlyOneOf. Now he is the first member to join the military, putting his idol activities on hold until his discharge. Once he completes basic training, he will join the Army Military Band as an active duty soldier.
25 years Sunghyuk debuted as a member of TAN in 2022. He will join the 7th Army Corps band, where his fellow TAN member belongs John it is also serving.
Like Rie and Sunghyuk, 26 years old Kim Woojin will serve as an active duty soldier in the military band after completing basic training. The first Stray children he first debuted in 2018 with Stray Kids, then again as a soloist in 2021.
All three idols are expected to be discharged on July 19, 2026.