Niki Enhypen: Age, Height, Voice Controversy, and Biography

There’s something about watching a young dancer grow up in the spotlight — the awkwardness, the growth, the inevitable scrutiny. For Niki (Ni-Ki) of ENHYPEN, that journey began as a child prodigy in Okayama, Japan, and now sees him as one of K-pop’s most talked-about performers at just 20 years old.

Full name: Nishimura Riki ·
Birth date: December 9, 2005 ·
Age (international / Korean): 20 / 21 (as of 2025) ·
Height: 183 cm (6 ft) ·
Debut date: November 30, 2020 ·
Position in ENHYPEN: Main dancer, vocalist

Eight key facts, one pattern: Ni-Ki’s profile is built on verifiable biographical data, but some figures — especially height and vocal description — vary across sources.

What happened to ENHYPEN NI-KI?

In early 2024, a viral clip circulated on social media showing Ni-Ki singing with a noticeably deeper tone than his earlier performances. The clip sparked accusations that the 19-year-old was intentionally forcing his voice to sound more mature on stage. The controversy — often referred to as the “deep voice accusation” — spread across platforms like TikTok and Twitter, with fans and critics debating whether the change was natural or manufactured.

What controversies surround Ni-Ki?

• Ni-Ki was accused of intentionally deepening his voice during live performances (ipduck (fan wiki)).
• The accusation originated from a viral clip on social media (Reddit (fan discussion)).
• Ni-Ki and ENHYPEN’s label Belift Lab have not officially responded to the allegation (Wikipedia).

What is the deep voice accusation?

According to social media posts, critics claim that Ni-Ki’s voice on recorded tracks sounds lighter than his live performances, suggesting he modifies his vocal delivery. However, there is no definitive evidence — no audio analysis, no insider testimony — that confirms forced vocal change. The debate remains largely speculative.

How old is NI-KI in Korean?

Ni-Ki was born on December 9, 2005, in Okayama, Japan. In Korea, age is calculated differently: a person is considered 1 year old at birth and gains a year on January 1. That makes Ni-Ki 21 in Korean age as of 2025, while internationally he is 20 years old.

What is NI-KI’s birth date?

• Born: December 9, 2005 (Wikipedia)
• Birthplace: Okayama, Japan (ENHYPEN Guide)

What age did NI-KI debut in ENHYPEN?

Ni-Ki debuted at age 14 (international) — 15 in Korean age — on November 30, 2020. He is the youngest member (maknae) of ENHYPEN (Kprofiles).

Why is Ni Kis’ voice so deep?

Ni-Ki’s voice has deepened noticeably since his debut in 2020 — a natural result of puberty. Voice change typically occurs between ages 12 and 16 for males, and Ni-Ki entered the industry at the very start of that window. The question is whether the depth we hear now is entirely natural or partly performed.

Is Ni-Ki’s deep voice natural?

• Voice deepening during puberty is a natural biological process (ipduck (fan wiki)).
• Fans and critics have debated whether he intentionally deepens his voice on stage (Reddit (fan discussion)).
• There is no definitive evidence of forced vocal change (Wikipedia).

Was Ni-Ki accused of forcing his voice?

The accusation stems from a comparison of his speaking voice in interviews versus his singing voice on stage. Some fans argue that the contrast is too stark to be purely natural, while others point to the same audio clips as proof of normal vocal maturation.

The controversy underscores the intense scrutiny idols face as they naturally age and change.

Why did Niki not go to school?

Ni-Ki left traditional school to pursue his trainee career in South Korea. He moved to Korea in 2019 at age 13 to prepare for debut under Belift Lab (ipduck (fan wiki)). Like many K-pop idols, he completed his education through a distance learning program rather than attending a physical school.

Did Ni-Ki graduate from school?

• He graduated from a distance learning program (Reddit (fan discussion)).
• He has not publicly detailed his schooling after joining ENHYPEN (ENHYPEN Guide).

What is Ni-Ki’s education background?

Details are scarce. What is known: he attended a local school in Okayama before moving to Seoul. After that, he switched to a homeschool or online curriculum, a common path for idols who debut young.

Is NI-KI fluent in Japanese?

Ni-Ki is a native Japanese speaker, having grown up in Okayama. He also speaks Korean fluently after years of training and living in South Korea, and he has some English proficiency (ENHYPEN Guide).

What languages does Ni-Ki speak?

• Japanese (native)
• Korean (fluent) (Wikipedia)
• English (basic) (Kprofiles)

How old is Ni-Ki’s sister?

Ni-Ki has an older sister, but her exact age is not publicly known. She is a few years older than him, and he has mentioned her in interviews (ipduck (fan wiki)).

Ni-Ki’s story is one of rapid growth — from a child dancer in Okayama to a global K-pop idol at 14, and now a young adult navigating fame, vocal change, and public scrutiny. For ENHYPEN fans, the trade-off is clear: watch a performer evolve in real time, or risk every change being dissected under a microscope. The debate over his voice will likely continue until the label or Ni-Ki himself addresses it directly. But for now, the facts anchor his identity: a talented main dancer, a native Japanese speaker, and a teenager who gave up traditional schooling to chase a dream that’s still unfolding.