How NCT's Ever-Expanding Subunit System Actually Works

NCT turned 10 in April 2026. SM Entertainment marked it with a citywide campaign across Seoul, matching album rollouts for every one of its subunits, and a slogan, "Everything, All at Once, Neo," built around the idea of a group still growing.

The same year told a different story. Two of NCT's original members, Mark and WinWin, left the group and its label entirely within four months of each other. A group founded on the promise of never having a cap on members spent its anniversary year getting smaller.

That contradiction is the fastest way into a structure that otherwise takes months to learn: NCT was designed to expand without limit, a management team later killed that design on purpose, and by 2026 the surviving system was shrinking rather than growing.

A boy band built around a single word: "unlimited"

NCT's structure wasn't an accident of popularity. It was a stated business plan. In January 2016, SM Entertainment founder Lee Soo-man unveiled the concept at a company keynote, describing a boy band with no fixed cap on membership, split into subunits based in different cities and countries. He called it "the true localization of K-pop."

The name is short for Neo Culture Technology. Under Korea's agency system — where a company recruits, trains, and manages performers under long exclusive contracts — SM went further than usual, stating new members would be "freely recruited with no limits on the number."

NCT U has no members of its own, and that's the point

The first subunit, NCT U, debuted April 9, 2016, with the single "The 7th Sense," which stands as NCT's official debut date. Its founding lineup — Taeyong, Ten, Doyoung, Jaehyun, and Mark — was never meant to stay fixed.

NCT U's roster changes with every release, built around whichever members fit that song's concept. That makes "U" less a group than a rotating cast that can, in principle, include the full NCT roster at once, as it did on the 2023 track "Baggy Jeans."

NCT 127's name is literally Seoul's coordinates

NCT's second subunit, NCT 127, debuted three months later, on July 7, 2016. Unlike NCT U, it has a comparatively fixed roster, and its name is drawn from Seoul's longitude line, 127°E, positioning it as the group's home-city unit.

Membership has still shifted through additions and exits. On July 15, 2026, SM confirmed all seven remaining members — Johnny, Taeyong, Yuta, Doyoung, Jaehyun, Jungwoo, and Haechan — had renewed their contracts, a week after former member WinWin's exclusive deal ended.

NCT Dream's graduation clause lasted four years

NCT Dream debuted in 2016 with "Chewing Gum" and originally organized itself around age rather than geography. Once a member passed a set age, the plan was to rotate them out into other subunits.

That system proved unpopular. After Mark was removed under the graduation rule, SM reversed course and reinstated him. By 2020 the agency scrapped age-based rotation entirely, and NCT Dream operated as a fixed seven-member unit until Mark's departure from NCT altogether in April 2026.

WayV took the format into Mandarin

WayV debuted in January 2019 as NCT's China-focused branch, releasing music primarily in Mandarin with Korean versions following, giving SM a direct vehicle into the Mandarin-speaking pop market.

Its original six members — Kun, Ten, Xiaojun, WinWin, Hendery, and YangYang — also show how NCT's units overlap: WinWin held dual membership in both NCT 127 and WayV until his July 2026 exit closed out both at once.

DoJaeJung: three names stitched into one

In April 2023, three NCT 127 vocalists — Doyoung, Jaehyun, and Jungwoo — debuted as a trio called DoJaeJung with the EP "Perfume." The name is built from one syllable of each member's name, a different naming logic from the geography-based units elsewhere in NCT.

DoJaeJung didn't pull its members out of NCT 127; all three kept double duty, one more illustration that NCT's units function less like separate groups than different combinations drawn from the same pool.

The boardroom fight that ended "infinite expansion"

The moment that actually defines NCT's ceiling came in 2023, not 2026. On February 25, SM's co-CEOs, Chris Lee and Tak Young-jun, announced the company's new "SM 3.0" strategy in a video message to fans: "With the debut of NCT Tokyo (tentative name) in 2023, NCT's infinite expansion is scheduled to end. We are officially announcing that there will be no more member changes."

The timing was not incidental. The statement landed amid a hostile bidding war between HYBE and Kakao for control of SM, during which the company severed ties with founder Lee Soo-man, the executive who had invented NCT's "unlimited members" concept seven years earlier. The team that killed the idea was not the one that built it.

Three previously teased subunits were shelved as part of the same decision:

• NCT Hollywood, a US-based unit floated via reality competition in 2021
• NCT Singapore, teased by Lee Soo-man two months before the announcement
• NCT Saudi Arabia, also reported to be in development

NCT Wish became the actual final subunit

NCT Wish, the unit SM had referred to as NCT Tokyo, debuted February 21, 2024, with the single "Wish," built around six mostly Japanese members: Sion, Riku, Yushi, Jaehee, Ryo, and Sakuya. Its lineup was selected partly through the pre-debut reality series "NCT Universe: LASTART."

Its debut closed out the sub-unit era at five active groups — NCT U, NCT 127, NCT Dream, WayV, and NCT Wish — plus the smaller DoJaeJung trio layered inside NCT 127.

What the 10th-anniversary campaign changes, and what it doesn't

"NCT 2026" is a year-long promotional calendar, not a structural overhaul. NCT 127 and WayV each get an album and tour in the second half of the year, NCT Dream holds a fan meet-and-greet ahead of its own album, and NCT Wish released a full album in April with more Japanese releases to follow.

• A pop-up store, "Neo Ground," ran in Seoul May 15–23
• An exhibition titled "Neo Dimension" is planned later in the year
• Han River fountain shows are synced to each subunit's music

None of it adds a new subunit, a break from the pattern that defined NCT's first seven years, when a new unit arrived roughly every twelve to eighteen months.

Why the roster shrank instead, twice, in 2026

The anniversary year's real structural news came from exits. Mark left both NCT and SM Entertainment on April 3, 2026, exiting NCT U, NCT 127, and NCT Dream at once, since he had held membership in all three.

WinWin followed on July 8, when SM announced his exclusive contract had ended "following careful discussions," closing out his run in both NCT 127 and WayV. A third original member, Ten, has confirmed he is leaving his exclusive SM contract but, unlike Mark and WinWin, plans to keep joining NCT and WayV activities where possible.

Ten's arrangement is unusual for the group: a member with no exclusive company contract who can still appear on NCT releases, a looser tie than anything the group's original structure accounted for.

What is still unresolved

SM hasn't said whether Ten's non-exclusive setup becomes a template for future exits, or whether NCT 127 and WayV will recruit replacements for Mark and WinWin at all, something the 2023 "no more member changes" stance leaves genuinely open.

It's also unclear how the graduation-style rules that once applied to NCT Dream might apply to NCT Wish as its members age, since SM's 2023 statement addressed new members joining, not existing members eventually rotating out.

NCT's subunits, in order of debut

Frequently asked

How many subunits does NCT have?

NCT has five active subunits — NCT U, NCT 127, NCT Dream, WayV, and NCT Wish — plus the smaller DoJaeJung trio layered inside NCT 127.

Did SM stop adding new members to NCT?

Yes — in February 2023 SM announced NCT's infinite expansion was ending, stating there would be no more member changes, with NCT Wish becoming the final subunit.

When did Mark and WinWin leave NCT?

Mark left NCT and SM Entertainment on April 3, 2026, and WinWin's exclusive contract ended on July 8, 2026, closing out his membership in NCT 127 and WayV.