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VOLUME 10

GUNMA

Kusatsu Onsen, Tomioka Silk Mill & Takasaki Daruma

The Kusatsu yubatake discharges four thousand litres of fifty-degree water every minute, day and night, into a wooden grid of cooling channels in the centre of the town. The mineral steam from it has scented the surrounding air for at least eight centuries. This is the basic fact of Gunma: a landlocked, mountainous country sat on top of so much geothermal heat that the water arrives already too hot to bathe in, and has to be paddled cool by hand. Around that single source the prefecture arranges itself in concentric rings. Inward, the volcanoes: Akagi, Haruna, Myogi, Asama, and the granite teeth of Tanigawa above the Doai tunnels. Outward, the onsen valleys of Shima and Ikaho and the brick spinning halls of Tomioka, where the silk reeling machines first turned in 1872. Further out still, the Kanto plain unrolls past konnyaku fields, mulberry rows, and the courtyards of Shorinzan, where the round red daruma of Takasaki are stacked by the thousand. Forty pages here. A yumomi paddle worn smooth. One mizubasho spathe on the Oze marsh. A kamameshi pot still warm from Yokokawa station. The sawtooth roof of a Kiryu weaving shed against the early sky. Snow falling on the wooden bath houses after dark.

“Forty pages of steam, stone and silk.”
  • 40 original Gunma Prefecture illustrations
  • Single-sided pages to prevent bleed-through
  • 8.5 x 8.5 inch square format
  • A mix of detailed and breathable compositions
  • Brief editorial introduction to Gunma
  • Anyone with an interest in Japan, its culture, and its mountain landscapes
  • Adults who use coloring for relaxation and quiet focus
  • A considered gift for friends and family with a love of Japan

The Gunma coloring book is Volume 10 of Sora Mikami's Prefectures of Japan series, a 47-volume collection that explores Japan one prefecture at a time. It gathers 40 original black-line illustrations of Gunma. It draws on Kusatsu Onsen, Tomioka Silk Mill, and Takasaki Daruma, alongside the everyday scenes Gunma considers its own.

You will find Kusatsu Onsen, Tomioka Silk Mill, and Takasaki Daruma, together with the landmarks, food, and quiet corners that give Gunma its character. The compositions move between detailed, intricate pages and calmer, more breathable ones, so there is something for every mood.

Yes. The book mixes detailed illustrations with more open, breathable designs, so beginners and experienced colorists alike can settle in. The large 8.5 x 8.5 inch square pages give you plenty of room to work, and every page is printed single-sided.

Colored pencils, markers, and gel pens all work beautifully. Because every illustration is printed single-sided on white paper, you can use heavier media without bleed-through onto another design. Slip a sheet of card behind the page if you want to be sure.

It is Volume 10 of a planned 47, one book for every Japanese prefecture. The volumes can be coloured in any order, and together they sketch the whole country one place at a time. Gunma sits in the Kanto region of Japan.

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WHAT READERS SAY

M
Michel Faloughi
Awesome book !

Reviewed in the United States on February 18, 2026

Format: Paperback|Verified Purchase

Really satisfied with my purches. The texture of the paper is a perfect match for my wide range of crayons feel-wise, escpecially when compared to other coloring books. It's a great way to relax and exercise my creativity. Lines are clear and well drawn, I can't wait for the newer book to drop. Would recommend !

M
Maysan B
Beautiful, stress free coloring bliss

Reviewed in the United Kingdom on February 20, 2026

Format: Paperback|Verified Purchase

I didn't have huge expectations when i ordered this, but it's been such a pleasant surprise. The designs are beautiful and thoughtfully made, and the whole experience feels calming and stress free. It's become a lovely way to unwind at the end of the day, really glad i discovered it !!!!

Customer photo by Maysan B - The Kintsugi Mind coloring book review
K
Karim J.
My wife is obsessed!

Reviewed in the United Kingdom on February 17, 2026

Format: Paperback|Verified Purchase

Got this for my wife for valentine's day as a little extra gift to help her relax and now she is obsessed with it, to the point where I need to beg her to come to sleep… Great product and very happy with it!

R
Rachel M
Superb, helps me relax

Reviewed in the United Kingdom on February 7, 2026

Format: Paperback|Verified Purchase

I got recommended this colouring book by a friend of mine and I absolutely love it. It's very well designed and it really helps you relax and go into a flow state. It has plenty of designs, super good value item and unlike others this one is definitely quality and quite well thought through. I'll be buying more of those as gifts😌

R
Ramzi Moukaddem
better than I expected

Reviewed in the United Kingdom on February 15, 2026

Format: Paperback|Verified Purchase

Bought this because I've been trying to spend less time on my phone in the evenings. Honestly wasn't expecting much the designs are super nice and very accurate to japanese culture.

Customer photo by Ramzi Moukaddem - The Kintsugi Mind coloring book review
S
Sara Nour Azzi
Amazing book

Reviewed in the United Kingdom on March 5, 2026

Format: Paperback|Verified Purchase

This was one of the best coloring books I have ever purchased. The designs were incredibly detailed, making this one of the most relaxing experiences, helping me cool down after a long day. The final product as well, no matter what colors I filled it in with, was so beautiful. The blank page was a super smart move from the author as it made sure the colors on the different drawings didn't overlap. Overall 10/10 experience, I highly recommend. I wish there were more drawings tho!!

PREFECTURES OF JAPAN

What is the Prefectures of Japan coloring series?

Prefectures of Japan is a coloring collection by Sora Mikami that explores the country one prefecture at a time. Each book gathers 40 original black-line illustrations rooted in the things that prefecture considers its own, drawn for slow, mindful attention.

How many books are in the series?

Forty-seven, one for every Japanese prefecture, from Hokkaido in the north to Okinawa in the south. They are being released over time, and can be coloured in any order.

Which volumes are available now?

Three volumes are published so far: Hokkaido (Volume 1), Aomori (Volume 2), and Iwate (Volume 3). The remaining prefectures are on the way. Join the newsletter to hear when each new volume goes live.

What is inside each prefecture book?

Forty original line illustrations of one prefecture, a mix of detailed and breathable compositions, printed single-sided on white paper. Each volume opens with a short editorial introduction to the prefecture, written in the register of a magazine essay rather than a guidebook.

What size and format are the books?

Every volume is an 8.5 x 8.5 inch square paperback with single-sided pages to prevent bleed-through. The square format sits comfortably in the hand and gives each illustration room to breathe.

Do I need to colour them in order?

Not at all. The volumes are independent and can be coloured in any order. Together they sketch the whole of Japan one place at a time.

Where can I buy the Prefectures of Japan books?

All published volumes are available on Amazon as paperbacks at $9.99 each. Search for Sora Mikami on Amazon or visit the author page for the full collection.

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