Invincible Youth | 청춘불패 - : Summer vacation special - IY’s Scary Night School~!

- Summer vacation special - IY’s Night School~! - Special guest: MBLAQ(Lee Jun, Thunder, Mir, G.O, SeungHo), Park HyeonBin, Lee SeokHun(SG Wannabe) ---------------------------------------------------------------------------------- Subscribe KBS World Official YouTube & Watch more episodes of ’Invincible Youth Season 1’ : ---------------------------------------------------------------------------------- KBS World is a TV channel for international audiences pro