Kento Yamazaki: Age, Height, Net Worth & Relationship Rumors

Few Japanese actors have built a career quite like Kento Yamazaki, whose face you’ve almost certainly seen even if the name sounds new. From playing L in Death Note to leading Netflix’s global hit Alice in Borderland, he’s become one of Japan’s most in-demand stars. But all that fame has a flip side: a swirl of unanswered questions about his personal life, relationships, and habits that fans can’t stop Googling. This piece separates the hard facts from the noise.

Born: September 7, 1994 ·
Height: 178 cm ·
Instagram Followers: 7 million ·
Debut: 2010

Eight facts about Kento Yamazaki, one pattern: the public record is solid on career data, but the moment you move to personal life, reliable details thin out fast.

Here is a quick-reference table of Yamazaki’s confirmed biographical details.

Is Kento Yamazaki married?

This is the question that tops every fan search, and the answer is frustratingly simple: nobody knows for sure. Kento Yamazaki has never publicly confirmed a marriage, engagement, or wife. Entertainment biographies consistently describe him as unmarried (MarriedBiography, an entertainment database), but that’s absence of evidence, not evidence of absence.

Who has Kento Yamazaki dated?

• Rumored relationship with actress Suzu Hirose circulated in 2022–2023, but neither party confirmed it. TheCityCeleb lists Hirose as a rumored partner (TheCityCeleb, an entertainment site).
• Speculation about a relationship with Tao Tsuchiya (co-star in Orange and other projects) has been denied by both sides. No credible source confirms a romantic link.
• No public relationship is documented after Hirose rumors reportedly ended in 2023.

Are the dating rumors true?

Here’s the pattern: every rumor about Yamazaki’s love life shares the same structure — a co-star, a set of photos, a gossip blog post, and zero official confirmation. Japanese entertainment agencies typically do not issue denials unless the story damages brand contracts, so silence isn’t an admission.

The implication: Anyone claiming to know Yamazaki’s marital status or current partner is either guessing or repeating unverified gossip. The only honest answer is: not publicly confirmed.

Why is Kento Yamazaki so famous?

Yamazaki’s career follows a clear arc: he didn’t become famous by accident. Starting as a teenage model at age 17 (YouTube biography, a fan-produced source), he transitioned to acting in 2010 with the drama Atami no Sousakan. But his real breakthrough came through manga adaptations — a genre with built-in fanbases that can catapult actors into stardom almost overnight.

Major roles in manga adaptations

• Played L in Death Note (2015), one of the most iconic anime-to-live-action roles in Japanese cinema (KKBOX, a music and culture platform).
• Lead role in Orange (2015), a romance drama based on a bestselling manga (InfoseeMedia, an entertainment biography site).
• Played Josuke in JoJo’s Bizarre Adventure: Diamond Is Unbreakable Chapter I (2017), a high-profile adaptation of a globally beloved series.
• Starred in Kingdom (2019), a historical action epic based on the manga by Yasuhisa Hara (InfoseeMedia).

International breakthrough with Alice in Borderland

The Netflix series Alice in Borderland (2020–2022) changed everything. Yamazaki played Arisu, a gamer stranded in a deserted Tokyo forced to play deadly survival games. The show reached a global audience on a scale that traditional Japanese dramas rarely achieve. Fuji Television described him as “one of today’s top young actors” in their exclusive interview coverage (Fuji Television Network, a major Japanese broadcaster).

He also took on the lead role in the Japanese adaptation of Good Doctor (2018), playing a young surgeon with autism spectrum disorder (Fuji Television Network). That role earned him recognition beyond the manga-adaptation crowd.

Is Kento Yamazaki a smoker?

This question appears constantly in fan searches, and the evidence is almost nonexistent. No public statement from Yamazaki or his agency addresses smoking habits. Photos sometimes show him holding cigarettes, but those are typically from film or drama sets where smoking was part of the character (TheCityCeleb, an entertainment biography site).

In the absence of any credible report, confession, or paparazzi-style evidence of regular smoking, the honest answer is: there is no answer. Japanese media do not typically publish candid smoking photos of actors, and Yamazaki has not been caught on camera smoking in private settings.

What this means: Anyone who claims to know whether Kento Yamazaki smokes is speculating. The available data simply doesn’t include that detail.

How rich is Kento Yamazaki?

This is where things get tricky. Yamazaki’s net worth is not publicly disclosed — unlike Hollywood, Japanese talent agencies rarely reveal contract terms or earnings. The estimates that exist come from entertainment blogs, not from official sources, and they vary so wildly that they’re basically useless.

What are his income sources?

• Acting fees from over 30 film and television productions since 2010 (Wikipedia).
• Modeling work, which launched his career at age 17 (YouTube biography).
• Endorsements and brand partnerships, though specific deals are not public.

Estimated net worth

Three different entertainment bios give three different numbers:

• InfoseeMedia estimates around US$8 million (InfoseeMedia, an entertainment biography site).
• TheCityCeleb and a 2025 YouTube biography estimate between US$10 million and US$20 million (TheCityCeleb; YouTube biography).
• A 2020 YouTube biography quoted approximately US$1 million (YouTube, a biography-style video).

The catch: None of these sources disclose their methodology. A range from $1 million to $20 million isn’t a range — it’s a shrug. The only honest statement is that his net worth is unknown to the public.

The pattern: Japanese celebrity net worth estimates are notoriously unreliable because the entertainment industry there does not require public financial disclosures. For comparison, even top Hollywood actors’ net worth figures are often speculative, but the gap between floor and ceiling is usually narrower.

Is Kento Yamazaki fluent in English?

No public evidence shows Kento Yamazaki speaking fluent English. All his known interviews are conducted in Japanese. Campus.sg, which interviewed him in 2019 (when he was 25, consistent with a 1994 birth year), noted that the conversation was carried out in Japanese (Campus.sg, a Singapore-based lifestyle media outlet).

Language skills in interviews

In English-language press for Alice in Borderland, Yamazaki’s responses are either pre-recorded in Japanese with translation or delivered through an interpreter. He has not given a spontaneous interview in English.

Use of English in roles

In Alice in Borderland, Yamazaki’s character Arisu occasionally uses English phrases, but the lines are scripted. That’s acting, not fluency. There’s no evidence he can hold a natural conversation in English off-camera.

The implication: If English fluency were part of his public profile, his agency would highlight it for international roles. They don’t. That’s a reliable signal that English is not a skill he markets.

For more on his personal life, a recent breakup with Hirose Suzu was reported in March 2025.

Frequently asked questions

For Japanese fans and international viewers alike, the Kento Yamazaki story carries a clear lesson: the line between public persona and private life is drawn sharply, and crossing it requires evidence. The actor’s career data — filmography, height, agency, Instagram following — is publicly available and verified. Everything else is speculation until proven otherwise.

For fans who want to follow him, the choice is straightforward: engage with his work, which is well-documented and impressive, and resist treating unanswered personal questions as mysteries to be solved. For entertainment media, the implication is just as direct: stop presenting gossip as biography. The facts are good enough.