Arno

On March 27, 2024, he was officially introduced as a contestant of MAKE MATE 1. He ranked 10th place overall in the finale episode, thus being unable to debut with NouerA. ===2025–2026: Boys II Planet, debut with ALPHA DRIVE ONE=== On June 12, 2025, he was introduced as a contestant of Mnet's survival show Boys II Planet, representing Nouer Entertainment.

During the show's finale, he was revealed to have ranked 5th overall, thus making him a member of ALPHA DRIVE ONE. On October 12, WAKEONE announced that Zhang Jia Hao had changed his stage name to Arno. The group would make their debut on January 12, 2026 with the mini album Euphoria.