In December 2023, Mnet announced a new survival show titled Build Up : Vocal Boy Group Survivor. The show was focused on creating a “vocal” boy group, and included 40 idols and trainees competing. | Mnet The final four that made the group debuted as B.D.U. and includes M.O.N.T‘s Bitsaeon, CIX‘s Seunghun, ONE PACT‘s Jay Chang, and…
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