Kim Si-Hun and Hong Seong-jun and Yoon Jong-hwan, BDC full of boyhood on October 29, 2019 BDC Brand New Music Deuce Hong Seong-jun Idol Producer Kim Si-Hun Memory Produce X 101 Singles Yoon Jong-hwan +
Brand News Unit BDC, Hong Seong-jun concept photo release 'singy visual' on October 20, 2019 BDC Brand New Music Hong Seong-jun Kim Si-Hun Yoon Jong-hwan +