On March 20, 2026, TUNEXX’s official YouTube channel uploaded a behind-the-scenes choreography lesson video for '[TUNESIDE] Evidence That I'm Alive.' The clip gives fans a look at the members’ practice routine and, most notably, a first peek at new member Inhu in action. Fans reacted in shock, commenting, "They finalized the lineup and even filmed the title track choreography, and then Inhu suddenly joined? It’s wild that they added a new member." Inhu showed impressive adaptability, and their synergy with the other members already looks smooth.
Visual king Donggyu also drew nonstop praise, with comments like "Donggyu is insanely handsome" proving his popularity. Fans are confident TUNEXX will keep the momentum going with strong promotions ahead.