Wonderful World is a 2024 South Korean television series starring Kim Nam-joo, Cha Eun-woo, Kim Kang-woo, and Im Se-mi. It aired on MBC TV from March 1, to April 13, 2024, every Friday and Saturday at 21:50. From Wikipedia
Fantagio confirmed that he will finish basic training before joining the ROK Army band under private enlistment arrangements