BOYNEXTDOOR has released their first live tour album, 'KNOCK ON Vol.1'. The album features 16 live versions of tracks recorded during the finale of their Seoul concert in July 2025. Included are songs like 'IF I SAY, I LOVE YOU', 'I Feel Good', 'Nice Guy', and 'Dangerous'. A standout is 'Dear. My Darling (Live Ver.)', highlighting Sungho's impressive guitar solo. This album captures the highlights of BOYNEXTDOOR's inaugural world tour, 'KNOCK ON Vol.1', and hints at an upcoming studio album release.