ONF took their first ever stage on the August 4th installment of 'Immortal Song'.

 
For the special dedicated to '90s pop star Kim Won Joon, ONF covered his 1993 track "When Everyone Sleeps". The idol group expressed, "As it's our first performance on the show, I hope you look on us kindly," and ONF gave everything from dance to vocals to the audience. 


[Spoilers Below]








ONF woke up the audience with their performance of "When Everyone's Sleeping", and they took the round from VOISPER with 368 points. However, it was Hoya who won the final trophy!