Human Starville Chungdam-dong, Gangnam-gu, Seoul What I thought was a simple commercial building turned out to be an apartment/condominium too. Hyunseung went here because it's another dormitory for B2ST during their trainee days. It's quite posh, if you ask me. Apparently, it's also the official guest house of CUBE Entertainment. RICH. :)) FOLLOW US FOR MORE UPDATES! IMPORTANT NOTE: This post may not be 100% accurate.