IST Entertainment is preparing to debut a new seven-member boy group, TUNEXX, in March 2026. The group will be led by Park Dong Gyu, who gained attention on the survival program Boys II Planet, finishing in 15th place. This will be IST Entertainment’s first boy group debut in roughly four years since ATBO, which debuted in July 2022 and disbanded in December 2025.
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About TUNEXX
The seven-member lineup includes Park Dong Gyu, Kim Si Hwan, Artic’s Kim In Hu, and other talented trainees who previously competed on Boys II Planet. Each member brings unique skills in vocals, performance, and stage presence.
Before their official debut, TUNEXX will release One Last Chance, Part 1 of the OST for the SBS drama No Tail to Tell, starring Kim Hye-yoon and Lomon, on January 16, 2026. This marks the first official release for the full group and sets the stage for their March debut.
Members have also participated in other projects, such as contributing to OSTs for the MBC drama Moon River (Rhapsody of Lee Gang), demonstrating their abilities as vocalists and performers even before their formal debut.
IST Entertainment’s Strategy and Vision
IST Entertainment is widely recognized for launching The Boyz and has recently undergone major restructuring in 2025. With TUNEXX, the company aims to rebuild a strong talent roster in 2026, positioning the new group as a significant contender in the K-pop scene.
The agency has been proactive in engaging fans prior to debut. Through its official social media account, 0V__X0, IST Entertainment shares trainee updates, performance clips, and behind-the-scenes content. This account has already accumulated nearly 100,000 followers across Instagram and YouTube combined, demonstrating early interest in the group.
Pre-Debut Highlights
- OST Releases: One Last Chance for No Tail to Tell allows fans to hear the group’s vocal synergy before the debut.
- Drama Contributions: Members participated in Rhapsody of Lee Gang for Moon River, highlighting their versatility.
- Social Media Engagement: Daily trainee updates, practice footage, and teasers help build a dedicated fan base even before debut.
TUNEXX’s Debut Plans
IST Entertainment confirmed that TUNEXX is focused on intense training and preparation to deliver high-quality music and performances that meet fan expectations. Their official debut is scheduled for early March 2026. Fans can expect a mix of polished choreography, strong vocal performances, and active engagement from the members.
The agency aims to make TUNEXX a standout group by combining pre-debut exposure, solid training, and visually striking performances. With members who already have recognition from survival shows, the group has a foundation of both talent and fan anticipation.
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