The Fracturing of K-Pop's Fourth Generation: Heeseung's ENHYPEN Exit and an Industry at a Crossroads

On the morning of March 10, 2026, a handwritten letter appeared on the fan platform Weverse. Its author, Lee Heeseung — the eldest member and de facto leader of ENHYPEN, one of K-pop's most commercially successful fourth-generation boy groups — announced he was leaving the seven-member unit he had helped build since its televised formation in 2020. "The six years I've spent have been filled with moments so overwhelming and precious that it's hard to fully put them into words," Heeseung wrote [1].

Minutes later, BELIFT LAB, the HYBE subsidiary that manages ENHYPEN, confirmed the departure. The group would continue as a six-member act. Heeseung would remain signed to the label and begin preparing a solo album [2].

The announcement was seismic — not only for the millions of fans who had watched these seven young men grow up together, but for an industry now confronting a cascade of departures, contract clocks, and shifting power dynamics. Heeseung's exit is not an isolated event. It is the latest and most prominent symptom of a K-pop ecosystem in fundamental transition.

From I-LAND to 20 Million Albums

To understand the weight of this departure, one must understand what ENHYPEN represented.

The group was born on Mnet's survival competition I-LAND, which aired from June to September 2020. Out of 23 male trainees, seven were selected — six by global fan vote, one by producers' choice — to form a new act under BELIFT LAB, a joint venture between HYBE (then Big Hit Entertainment) and CJ ENM [3]. Heeseung, the oldest at 19 at debut, had been a Big Hit trainee since 2017 and was widely regarded as the most complete performer among the contestants.

Their commercial trajectory was extraordinary. The debut EP Border: Day One (November 2020) sold over 280,000 copies in its first week, a record for any K-pop group debuting that year [4]. Growth was exponential from there. By 2023, ENHYPEN had become the fastest K-pop group to achieve two million-selling albums on the Hanteo chart, accomplishing the feat in just 422 days [5]. Their 2024 album ROMANCE: UNTOLD moved 2.34 million copies in its first week alone [6]. Their most recent release, THE SIN: VANISH (January 2026), cleared 2.07 million first-week copies, earning them a fourth consecutive double-million-seller designation [7].

As of their fifth anniversary, the group had surpassed 20 million total albums shipped and drawn nearly 1.5 million concertgoers across their world tours, including a landmark Tokyo Dome show in September 2023 that made them the fastest fourth-generation group to play the iconic venue [5].

Source: Hanteo Chart / Soompi / Korea Herald

Data as of Mar 10, 2026CSV

Heeseung was central to that success — not as a designated leader in title (that role belongs to Jungwon), but as the group's most experienced performer and a vocal anchor. One fan's comparison, widely circulated on social media in the hours after the announcement, captured the sentiment: "For those who don't get the weight of him leaving ENHYPEN, it's equivalent to Jungkook leaving BTS" [8].

"The Direction the Company Suggested"

What turned an emotional departure into a controversy was a single phrase in Heeseung's handwritten letter. Describing his decision-making process, he wrote: "After thinking about it for a long time, I made a big decision to approach ENGENE in a better way depending on the direction the company suggested" [9].

BELIFT LAB's official statement framed the split as organic and mutual. "Through deep conversations about each member's vision for the future and the team's direction, we confirmed that Heeseung has a clear musical path he wishes to pursue," the company said [2]. The language was carefully corporate — the kind of statement K-pop agencies have honed over decades of managing public departures.

But fans parsed Heeseung's own words differently. The phrase "the direction the company suggested" triggered immediate speculation that the departure was not purely artist-initiated. Within hours, online communities were dissecting the statement, asking whether BELIFT LAB had effectively encouraged Heeseung to leave the group in order to pursue a potentially more profitable solo career [10].

The backlash intensified when fans surfaced a detail from earlier in the week: a fan signing event featuring Heeseung had reportedly been canceled on the same day, with the agency citing health issues. In retrospect, fans interpreted the cancellation as a sign that the departure announcement had been in preparation [11]. "This better be his own decision and not BELIFT made him take it," one widely shared fan post read [10].

The controversy touches a nerve that runs deep in K-pop. The industry's trainee-to-idol pipeline is one of the most controlled talent development systems in global entertainment. Artists typically sign exclusive contracts lasting seven years or more, during which the management company exerts significant control over their creative output, public image, and career trajectory. The question of agency — who truly decides when a member leaves, and why — is never simple.

A Week of Departures

Heeseung's exit did not occur in a vacuum. Just four days earlier, on March 6, WAKEONE and KLAP Entertainment announced that Seo Youngeun would depart the girl group Kep1er after an eight-month health-related hiatus. Kep1er, like ENHYPEN, was formed through a Mnet survival show (Girls Planet 999) and had been operating under the HYBE-adjacent ecosystem. The group would continue as a six-member unit [12].

The back-to-back departures — both from competition-born groups, both involving reorganization into six-member lineups, both managed by labels in HYBE's orbit — amplified a growing sense of institutional upheaval. For fans already anxious about the future, the pattern felt less like coincidence and more like strategy.

The Seven-Year Curse Looms Large

The broader context is the K-pop industry's so-called "seven-year curse" — the well-documented pattern of groups disbanding or losing members around the expiration of their initial exclusive contracts, typically set at seven years. For the wave of groups that debuted in 2019 and 2020, that clock is now ticking loudly.

Groups facing critical contract decisions in 2026 include AB6IX (debuted May 2019), CIX (July 2019), and ONEUS (January 2019), among others [13]. Industry insiders have predicted that some of these groups may opt for individual paths rather than full-group renewals [14]. For ENHYPEN, whose contracts would theoretically extend into late 2027 based on their November 2020 debut, Heeseung's departure represents a premature fracture — a crack in the foundation before the clock has even run out.

The seven-year mark has historically been a graveyard for K-pop groups. Of groups that debuted in 2016, only a handful survived intact past 2023. The pattern is so entrenched that Koreaboo recently documented that only seven K-pop groups turning 10 years old in 2026 have avoided disbandment entirely [15].

The Solo Surge

Heeseung's pivot to solo work also reflects a broader industry trend. 2025 was a landmark year for K-pop solo debuts, with a wave of established group members striking out on their own. ITZY's Yeji released her solo EP Air in March 2025. NCT's Mark dropped his debut full-length album The Firstfruit in April. TXT's Yeonjun — notably, another HYBE artist — released his mini album No Labels: Part 01 in November [16].

The critical distinction in most of those cases, however, is that the artists pursued solo work while remaining active group members. Yeji is still in ITZY. Mark is still in NCT. Yeonjun is still in TXT. Heeseung's departure is more drastic: a clean break from group activities, even as he stays under the same label. This is closer to the model established by Zayn Malik's departure from One Direction in 2015 — a comparison that Gulf News made explicitly, noting that the exit "has One Direction fans reliving 2015" [17].

The economics of solo careers in K-pop have shifted dramatically. As the industry has globalized, individual artists with strong personal brands can generate outsized returns through solo music, brand endorsements, variety show appearances, and social media partnerships. For labels, a successful solo act can be more profitable per-artist than a group where revenue must be split seven ways. The financial incentive to "graduate" strong performers into solo careers is real — and it is a tension that fans are increasingly aware of.

HYBE's Bigger Picture

BELIFT LAB does not operate in isolation. It exists within the HYBE empire — the publicly traded entertainment conglomerate that manages BTS, SEVENTEEN, TXT, LE SSERAFIM, NewJeans (through a now-complicated arrangement), and other acts. HYBE's strategic decisions ripple across the entire K-pop industry.

In 2024, HYBE launched a major restructuring initiative known as "HYBE 2.0," reorganizing its operations into three pillars: labels, solutions, and platforms. The restructuring, led by CEO Jason Jaesang Lee, aimed to transition the company from a management-centered model to a "label-based integrated IP business" designed to reduce volatility and generate more stable profits [18].

The year 2026 is particularly consequential for HYBE. BTS, the company's crown jewel, has completed military service and is preparing a global comeback with the album ARIRANG (due March 20) and an 82-show world tour — the largest ever for a K-pop act [19]. SEVENTEEN has signed an early contract renewal, though military enlistment timelines for some members add complexity [19]. TXT and ENHYPEN both face contract renewal windows in the coming years.

Against this backdrop, Heeseung's departure can be read as a test case — or a preview — of how HYBE's labels plan to manage the inevitable lifecycle transitions of their groups. If Heeseung's solo career succeeds, it validates a model where strong performers are spun off into individual acts while the parent group continues generating revenue with a reduced lineup. It is a business logic that makes sense on a spreadsheet. Whether it makes sense for the art, the artists, or the fans is a different question.

What Remains

ENHYPEN will continue. BELIFT LAB has confirmed that Jungwon, Jay, Jake, Sunghoon, Sunoo, and Ni-ki will carry forward as a six-member unit [2]. The group retains formidable commercial power and a dedicated global fanbase. Other K-pop groups have survived member departures — EXO continued after multiple exits, GOT7 eventually reformed after leaving JYP Entertainment, and BIGBANG has existed in various configurations for nearly two decades.

But ENHYPEN's situation is unique in its timing and context. The departure comes not after years of visible tension or a scandal, but in the middle of the group's commercial peak. It comes not at the end of a contract cycle, but years before it. And it comes amid a wave of similar disruptions that suggest something structural is shifting in how K-pop groups are managed and monetized.

Heeseung, for his part, closed his letter to fans with a forward-looking note: "Thanks to the members with whom I shared countless emotions, and to ENGENE, who always filled every empty space with their support, I was able to take step after step toward a dream that once felt out of reach" [1].

The dream, it seems, has changed shape. For Heeseung, for ENHYPEN, and for an industry that built its global dominance on the premise of the unbreakable group, the question now is what comes next.