Having released their comeback MV last month, the 5 ladies of LPG have finally made their first music show appearance on the February 10th episode of MNET's M! Countdown. Their title track, 'I'm Sorry that I'm A Nuna', was produced by composer DK and is a response track to Lee Seung Gi's 2004 hit, 'Because You're My Woman.' Check out their comeback performance below!