MBK Trainee.

AIR Trainee (에어 트레이니), formerly known as MBK Trainee (엠비케이 연습생), is a South Korean pre-debut boy group managed by AIR GLOBAL CASTLE (formerly MBK Company / Modern Berry Korea). The act was first presented in July 2025 using the name MBK Trainee, and in October 2025 the planned group name Air100 (에어헌드레드) was revealed, with their debut scheduled for the first half of 2026. Additional background says that However, on February 3, 2026, it was reported that their debut had been postponed due to internal management changes within the agency and a decision to continue additional training to strengthen the group. The profile also notes that on May 1, 2026, the group was officially renamed to AIR Trainee following the company’s rebranding. Another profile detail is that Since then, they have continued activities under this name, with Air100 remaining as the previously announced debut name. Additional background says that The only confirmed member so far is Kang Irang. The profile also notes that The rest of the members have yet to be revealed. Another profile detail is that they are expected to debut sometime in 2028.