Entertainment Mnet’s New Vocal Survival Show “Build Up” Raises Anticipation With Sneak Peek Of SEVENTEEN’s Seungkwan As Special Judge Posted on January 17, 2024 by miyuru SEVENTEEN‘s Seungkwan will be starring as an unique judge on Mnet’s upcoming survival program “Build Up”! “Build Up” is a brand-new survival program in which 40 entrants– a number of….