On October 13, rookie boy group TRCNG shared how they felt on making their official debut on stage with "Spectrum" through a video posted on TS Entertainment's official YouTube channel.

The boys gathered together backstage right after their stage performance, still dressed in their fancy stage outfits, TRCNG mentioned, "We finally held our first broadcast performance with great success! Although we were nervous despite it being our first broadcast appearance, everything flowed quite smoothly.  We are very happy."

Hyunwoo then spoke up and said despite a few mistakes, "Even though we were really nervous and excited for our debut, we'll be sure to greet you all with our energetic performances.  We look forward to your love and support."

What did you think of their debut performance?