The era of temporary K-pop survival groups is officially changing forever. From I.O.I and Wanna One to ZEROBASEONE, some of the biggest project idols created by CJ ENM audition programs are making dramatic returns in 2026 — proving that “temporary” groups can now evolve into long-term global brands.
ZEROBASEONE’s Unprecedented Split Survival Strategy
ZEROBASEONE debuted in 2023 through the survival show Boys Planet and immediately became one of the fastest-rising K-pop groups in history. Every album from debut release YOUTH IN THE SHADE onward became a million-seller, while the group even filled Seoul’s massive Gocheok Sky Dome just 37 days after debut.
But after their contract expired following their March Seoul concert, the group faced a crossroads.
Instead of disappearing like many past project groups, ZEROBASEONE shocked fans by splitting into two active teams:
- Five members — Sung Hanbin, Kim Jiwoong, Seok Matthew, Kim Taerae, and Park Gunwook — renewed with CJ ENM’s WakeOne.
- Four members — Zhang Hao, Ricky, Kim Gyuvin, and Han Yujin — returned to YH Entertainment and formed a new five-member group called NDOUBLE alongside former debut-contestant Yoo Seungeon.
Now both teams are preparing simultaneous promotions:
- ZEROBASEONE releases mini album Ascend on May 18.
- NDOUBLE debuts with Sequence 01: Curiosity on May 26.
The move completely overturns the old survival-show formula where project groups usually vanished after contract expiration.
I.O.I Celebrates 10th Anniversary Reunion
I.O.I, the legendary girl group born from Produce 101 Season 1, is also making a highly anticipated comeback.
The group returns on May 19 with mini album I.O.I: LOOP, marking their first major activity in nine years. They will also hold a 10th anniversary concert from May 29–31 at Jamsil Indoor Stadium in Seoul.
Although originally an 11-member team, this reunion features nine members:
- Jeon Somi
- Kim Sejeong
- Choi Yoojung
- Chungha
- Kim Sohye
- Jung Chaeyeon
- Kim Doyeon
- Yoo Yeonjung
- Lim Nayoung
Even after nearly a decade, I.O.I remains one of the most influential survival-show groups in K-pop history.
Wanna One Ignites Nostalgia Wave
Wanna One is also reviving fan memories with the release of WE WANNA GO, their first new music activity in seven years.
The song serves as the theme for reality program Wanna One Go: Back to Base, documenting the group’s reunion journey.
Even members who could not fully participate still joined in special ways:
- Kang Daniel contributed narration while serving in the military.
- Lai Kuan-lin made a special appearance despite retiring from entertainment activities.
The “Temporary Group” Era Is Over
The success of survival-show groups used to depend on short-term hype. But in 2026, the global expansion of K-pop has changed everything.
International fandoms, streaming platforms, world tours, and social media have transformed these groups into long-term intellectual properties with enormous commercial value.
Even Kep1er successfully extended activities after renegotiating contracts in 2024, continuing as a six-member team.
Meanwhile rookie group AlphaDriveOne — created through the newest season of Boys Planet — already has the longest contract structure yet, with six years of planned promotions.
The survival-show system that once produced “temporary idols” is now building multi-generational K-pop franchises.
Why This Matters Globally
For international fans, these reunions represent more than nostalgia. They show how K-pop’s business model is evolving:
- Temporary contracts are becoming flexible.
- Fan demand now influences long-term group survival.
- Multiple sub-units and parallel teams can coexist.
- Legacy survival groups are becoming evergreen brands.
What began with audition programs like Produce 101 has evolved into one of the most powerful systems in global pop culture.
KOREA FBI Editor’s Comment
The return of I.O.I, Wanna One, and the evolution of ZEROBASEONE may become one of the most important turning points in modern K-pop history. These groups were once designed to disappear after a short contract period, but global fandom changed the rules completely. In 2026, survival-show idols are no longer temporary projects — they are permanent pillars of the K-pop industry.
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