Why Did Mark Lee Leave NCT and SM Entertainment? The Real Reason Revealed

Mark Lee leaves NCT and SM Entertainment after 10 years. Real reason revealed, contract details, emotional letter, and what’s next for the idol.
Mark Lee Leaves NCT After 10 Years as Contract Ends, Personal Letter Reveals Real Reason
NCT Reshaped Overnight as Mark Lee Walks Away From SM Entertainment. (Credits: Instagram)

Mark Lee’s exit from NCT and SM Entertainment has been confirmed, closing a defining chapter for one of K-pop’s most central figures after a decade at the core of the group’s identity. The decision, effective 8 April, follows the natural end of his contract, but his own words make clear this is not a routine departure. It is a deliberate step away from the structure that shaped him, towards something more personal and uncertain.

The agency framed the move as mutual, the result of prolonged discussions about his future. Mark, however, offered a more revealing account. In a handwritten letter addressed directly to fans, he described a long-standing inner pull — a quieter ambition that predates his debut. 

Behind the polished image of an idol moving seamlessly between NCT 127, NCT DREAM, and rotational units, he had been holding onto a different vision of himself: one rooted in simplicity, creativity, and autonomy.

For SM Entertainment, the tone was measured and respectful. The company acknowledged his decade of contribution, highlighting his versatility across group and solo work, and confirmed that both units would continue with reduced line-ups. 

NCT 127 will proceed as a seven-member act with JOHNNY, TAEYONG, YUTA, DOYOUNG, JAEHYUN, JUNGWOO, and HAECHAN, while NCT DREAM moves forward with RENJUN, JENO, HAECHAN, JAEMIN, CHENLE, and JISUNG. The structural shift is significant, given Mark’s role as a musical and narrative anchor across both groups.

Yet the official explanation only partially accounts for the weight of the moment. Mark’s letter reframes the departure not as an industry decision, but as a personal turning point. 

He speaks of a long-held desire to strip things back — to perform with an acoustic guitar, to write, to explore what music means outside the machinery of a global idol system. 

The timing, coinciding with the end of his ten-year contract, appears less coincidental than inevitable. The structure that once enabled his growth had, by his own account, reached its natural limit.

His recent solo work, including the 2025 album The Firstfruit, hinted at that shift. It marked a move towards authorship and introspection, a departure from the collective identity that defined his earlier career. 

In that context, his exit reads less like a rupture and more like a continuation — an attempt to reconcile the performer with the individual behind it.

On social platforms, the comparison to high-profile departures such as Zayn Malik’s exit from One Direction has circulated widely, capturing the sense of shock at losing a central figure. 

Some fans have framed the decision as abrupt and destabilising, questioning the timing and impact on NCT’s future. Others have taken a more measured view, pointing to the clarity in Mark’s letter as evidence of a carefully considered choice rather than a sudden break.

There is also a quieter current of support. For many, the idea of an artist stepping away at the height of visibility to pursue something less certain carries its own weight. 

Mark’s emphasis on gratitude — towards fans, members, and the company — has softened some of the initial reaction, even as it underscores the emotional cost of the decision. 

His acknowledgement that the announcement may feel sudden or difficult suggests an awareness of the rupture it creates, not just professionally but personally for those who followed his journey.

What emerges, ultimately, is a departure shaped by timing, reflection, and intent. The contract’s end provided the opportunity, but the decision itself appears rooted in a longer internal process — a reassessment of identity after a decade defined by collective success. 

Rather than extending a system that had already given him its fullest expression, Mark has chosen to step outside it.

The immediate future for NCT will involve recalibration, both musically and structurally. Without Mark, the group’s dynamic inevitably shifts, raising questions about sound, leadership, and direction. 

For SM Entertainment, it marks the loss of one of its most adaptable performers; for the group, the absence of a member who bridged multiple units and concepts.

For Mark Lee, however, the move signals something less defined but potentially more revealing. 

His own framing suggests a search rather than a conclusion — an attempt to discover what remains when the framework of an idol career is removed. Whether that leads to music, writing, or something less easily categorised remains open.

His reasons, distilled, are neither abrupt nor purely contractual. They reflect a convergence of timing and intention: the end of a formal agreement, aligned with a long-standing personal ambition that could no longer be deferred. It is a decision that prioritises direction over stability, and self-definition over continuity.

The reaction will continue to evolve, as fans process what this means for both NCT and Mark himself. Some will see loss, others reinvention. But the central question now shifts from why he left to what comes next — and whether that next chapter can live up to the weight of the one he has just closed.

What do you think about Mark’s decision to walk away at this point in his career, and how do you see NCT moving forward without him?

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