A day before the comeback, the boy group T1419 (Noa, Sian, Kevin, Gunwoo, Leo, On, Zero, Kairi, and Kio) heralded a perfect performance.

T1419 released a teaser for the second performance video of its new song "Red Light, Green Light" on its official SNS channel at 0 o'clock on December 1st and ignited the comeback fever.

In the released video, T1419 showed a perfectly synchronized dance without an inch of error in line with the intense beat playing in the background. The T1419 members maintained a perfect formation despite their intense performance, boasting their fourth-generation performance idols. In particular, a choreography reminiscent of the title of the new song, Mugunghwa Flower Bloomed, caught the attention of fans.

In addition, in the middle of the video, a verse of "Catch me somewhere" was briefly released, exploding curiosity about the new song "The Mugunghwa Flower Bloomed."