With BEAST's Junhyung currently busy handling his busy individual activities, G.NA has had some impressive replacements from the Cube Entertainment family including Mario, 4minute's HyunA, and now Doojoon for her Inkigayo performance of I'll Back Off So You Can Live Better. Doojoon was featured as the main protagonist in G.NA's music video for her title track, and now he appears on the stage to take on the rapping portion of the song. Check out yet another dazzling performance below!