NATSUME INSEKI
BREAKINGJAPAN'S FASTEST MANGAKA52 BOOKS IN 9 MONTHSTHE MOMENT NEWS BREAKS, IT'S ALREADY A MANGANOW PUBLISHING IN ENGLISHBREAKINGJAPAN'S FASTEST MANGAKA52 BOOKS IN 9 MONTHSTHE MOMENT NEWS BREAKS, IT'S ALREADY A MANGANOW PUBLISHING IN ENGLISH
Japan's Fastest MangakaEST. 2025.12 / TOKYO–YAMAGATA

NATSUME
INSEKI
夏目隕石 ─ Manga at the speed of breaking news

The moment news breaks,
it's already a manga.

Faster than video, deeper than headlines. Debuted in December 2025 — publishing on Kindle within days of the events the world is talking about. Now available in English.

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01 / ENGLISH EDITIONS

Read them in English.

Flagship titles for readers worldwide — written and illustrated at breaking-news speed, published under the name Natsume Inseki.

Elon Musk: Net Worth, Kids, and the World's First Trillionaire — A Manga BiographyENGLISH

Jul 2026 ・ Manga

Elon Musk: Net Worth, Kids, and the World's First Trillionaire — A Manga Biography

$1,000,000,000,000. One bullied kid. One wild story.

In June 2026, SpaceX's IPO made one man history's first trillionaire. This full-color, 78-page manga traces the boy who was bullied in Pretoria, South Africa, through Zip2, PayPal, Tesla, SpaceX, X and Neuralink — plus 19 bonus pages digging into his marriages, kids, Dogecoin and Starlink.

AMAZON BESTSELLER RANKING

  • #1 in Nonfiction Manga(Free)
  • #1 in Business Biography & History(Free)
  • #2 in Free Enterprise(Free)
Actual Amazon bestseller ranking screenshot

Screenshot of the actual Amazon ranking page

WHAT'S INSIDE

  • The Pretoria years: what the bullying actually forged
  • Zip2 → PayPal → Tesla → SpaceX → X → Neuralink, in one throughline
  • 19 bonus pages: marriages, kids, Dogecoin, Starlink, and the June 2026 IPO that made him the first trillionaire
Bicycle Rules in Japan 2026: A Manga Guide to Cycling in Japan, Blue Tickets, and Bike FinesENGLISH

Jul 2026 ・ Manga

Bicycle Rules in Japan 2026: A Manga Guide to Cycling in Japan, Blue Tickets, and Bike Fines

Legal in your country. A ¥12,000 fine in Japan.

Japan's April 2026 traffic law overhaul turned ordinary habits — riding on the wrong side of the road, checking your phone, holding an umbrella while riding — into on-the-spot fines. Within one month, over 2,100 cyclists were ticketed and 135,000 more were warned. This manga follows international student Emma's mistakes, so visitors don't have to repeat them.

AMAZON BESTSELLER RANKING

  • #2 in Nonfiction Manga(Free)
Actual Amazon bestseller ranking screenshot

Screenshot of the actual Amazon ranking page

WHAT'S INSIDE

  • What changed in the April 2026 law, mistake by mistake
  • The real numbers: 2,100+ tickets and 135,000 warnings in the first month
  • Blue tickets vs. red tickets, and the habits that are legal back home but not in Japan
How to Climb Mount Fuji ─ A Manga Guide for BeginnersENGLISH

Jul 2026 ・ Manga

How to Climb Mount Fuji

Everything changed in 2026. Most guides online are already wrong.

You searched "how to climb Mount Fuji" and got a pile of outdated blog posts. A mandatory climbing fee, a gate that closes overnight, a daily climber cap, a gear check that turns people away — none of this was true a few years ago. This full-color manga follows two students whose AI-generated "perfect plan" gets demolished, then rebuilt, by a professional Fuji guide.

WHAT'S INSIDE

  • The 2026 rules explained: fees, reservations, the overnight gate closure, and why they exist
  • All four trails compared, and the gear check that fails ponchos and sneakers
  • Altitude sickness, sudden weather, and the descent — where more accidents happen than the climb up
Don't Lose Weight: The New Science of LongevityENGLISH

Jul 2026 ・ Illustrated explainer

Don't Lose Weight: The New Science of Longevity

Fat was never the enemy.

"Thinner is healthier" — you've heard it so often you never thought to question it. This book unpacks what a 350,000-person Japanese cohort study and a 2026 Cell Metabolism paper actually found: body fat, aged garlic's S1PC, and NMN may be your strongest allies against aging.

WHAT'S INSIDE

  • The Japanese cohort data (350,000 people, 10+ years) behind why the leanest often age first
  • S1PC — the fat-brain-muscle signal identified in a 2026 Cell Metabolism paper, explained for general readers
  • How body fat, aged garlic (S1PC) and NMN work together against aging and muscle loss
Hantavirus: Up to 50% Fatality Rate?ENGLISH

May 2026 ・ Illustrated explainer

Hantavirus: Up to 50% Fatality Rate?

Facts, not fear.

"Up to 50% fatality rate" — sensational headlines spread fear, but few explain the truth. Understand exactly what hantavirus is, how it spreads, and what to protect yourself from. No more being controlled by panic.

WHAT'S INSIDE

  • What the headline number really means — a calm COVID comparison
  • Transmission routes and symptoms: what actually puts you at risk
  • The latest vaccine research and a complete global risk guide
SCREW IT, LET'S DO IT! ─ やってみようENGLISH

Mar 2026 ・ Manga

SCREW IT, LET'S DO IT!

Stop overthinking. Start doing.

"What if I fail?" — the overthinking that keeps you frozen ends today. A manga about the "screw it, let's do it" spirit: take the first step even in the middle of doubt. No more waiting for perfect conditions.

WHAT'S INSIDE

  • Based on the true story of the $39 blackboard flight
  • The “screw it, let's do it” spirit, drawn as a manga — not a lecture
  • For anyone stuck waiting for perfect conditions to make a move

02 / JAPANESE WORKS

Plus 46 more, in Japanese.

Elections, the Olympics, rare earths, virus outbreaks, AI — turned into manga within days of the news. The latest eight Japanese titles:

03 / PROFILE

In the fall of 2025, drawing mangawasn't even on the radar.

Debuted as a mangaka in December 2025. Since then: 52 books — manga, picture books and illustrated explainers — in 9 months.

Art was the second-most-hated subject in school. But pair a non-artist with AI, maximize the speed of drawing, and you get the fastest-publishing mangaka in Japan.

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