NCT 127 celebrated their 10th debut anniversary by holding their fifth solo concert 'The Red Line' at the Seoul KSPO Dome for three days. They captivated fans with intense stage production and rich visuals, including appearing suspended from wires and utilizing a Jeep vehicle. The members performed a wide range of songs from their debut track to their latest releases. In particular, performances of 'Legacy', 'Punch', and 'Pinata' received enthusiastic responses along with their elaborate stage setups. During the concert, Doyoung celebrated the 10th anniversary with a large rice cake cake, showcasing the strong bond among the members. The concert was simultaneously screened in movie theaters across over 40 regions worldwide, delivering NCT 127's passionate performance to global fans.