Showcase in USA 'Troubleshooting' Closed ♭eta: v6.3 Closed ♭eta: v6.2 Closed ♭eta: v6.1 Closed ♭eta: v6.0 틀:Troubleshooting/트랙 틀:Xdinary Heroes/노래 Troubleshooting Closed ♭eta: v6.4 Walking to the Moon Xdinary Heroes LIVE and FALL(콘서트)