Handcrafted two black Japanese ceramic tea mugs on a beige gradation background, Tsukushi

Side view of handcrafted black Japanese ceramic tea mug on a white surface with a dark background, Tsukush

Handcrafted two black Japanese ceramic tea mugs with brown accents on a gradation background, Tsukushi

Two handcrafted black Japanese ceramic tea mugs on a white surface with a dark background, Tsukushi

Close-up of handcrafted black Japanese ceramic tea mug on a dark background, Tsukushi

Top view of black Japanese ceramic tea mug on a white background, Tsukushi

Bottom view of handcrafted black Japanese ceramic tea mug on a white surface with a dark background, Tsukush

Handcrafted black Japanese ceramic tea mug on a white surface with a dark background, Tsukushi

Ohmi Ceramics

Kurogazumi Ceramic coffee mug set Set of 2

Name: Kurogazumi | Ceramic Coffee Mug Set
Brand: Ohmi Ceramics
SKU: OHM-MUG-01
Price: 88.00 USD
Availability: InStock

$88.00

Crafted for you
This piece is handmade by the artisan exclusively to order.

Creation time: 6–8 weeks.
Expected Arrival: 11 May – 18 May.
Learn how it’s made →

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100% made in Japan, crafted with integrity and ethical labor practices.

Product Details

In the Box: 2 Handcrafted Coffee Mugs
Material: Unglazed Pottery
Color Palette: Charcoal Black, Ash Gray, Warm Clay
Dimensions: Approx. Diameter 3.5" × Height 3.7" (90 × 95 mm)
Weight: Approx. 7.1 oz (200 g)
Volume: Approx. 13.5 fl oz (400 ml)

Exclusivity Note: Each ceramic mug is handcrafted. Variations in glaze and form reflect the uniqueness of artisanal work.

The Kurogazumi mugs by artist Kazuma Yamamoto feel unexpectedly light, yet steady and premium in the hand.

Each mug is wheel-thrown in small batches and high-fired to a matte black finish, then finished without glaze on the body for a dry, secure grip with subtle tool traces. A small glazed band at the rim adds a smoother touch for sipping.

The rounded form and generous handle suit coffee, hojicha, or café au lait.

Customers praise their balanced and comfortable weight, and how they hold heat while still letting the drink cool at a natural pace.

More Information

Individually Crafted
Each mug in the Kurogazumi ceramic coffee mug set is shaped by hand using time-honored Japanese pottery techniques.
Rather than uniform perfection, you'll notice gentle variations in form and surface, signs of true craftsmanship. These are not industrial objects, they’re personal, expressive works meant to be held and used every day.
Unglazed Surface with Natural Texture
Unlike glazed finishes, the black surface is the natural result of high-temperature firing.
As unglazed pottery, each mug retains a raw, tactile quality that feels grounded and quietly powerful. The matte texture shifts subtly in the light, offering depth without distraction.
Balanced, Everyday Use
Minimalist in style but versatile in use, the Kurogazumi mugs work beautifully across settings, from slow mornings to quiet evenings. Whether enjoyed for coffee or as tea mugs, they bring presence to any table.

Care Guide

About your Kurogazumi Ceramic Mugs
Even as pottery art, shaped by hand and finished with an artisan’s eye, your Kurogazumi mugs are meant to be used every day. They simply appreciate gentle handling.

Maintenance

Microwave and Dishwasher: Suitable for microwave and dishwasher use.
To help prevent chipping, place each mug with space around it so it does not touch other dishes, and avoid overcrowding.
Gentle Cleaning: when washed by hand, use mild detergent and a soft sponge. After washing, gently dry with a soft cloth.
Preservation: The surface is finished without glaze, so avoid soaking for long periods and handle carefully when stacking or storing to protect the natural texture.

Handcrafted two black Japanese ceramic tea mugs with a rustic finish on a black background, Tsukushi

Truly One of a Kind

You Deserve More Than Mass-Made

The objects you surround yourself with say something about you.

The Kurogazumi ceramic coffee mug set isn’t made for everyone, it's made for those who notice detail, who care about how things feel, and who choose quality that lasts.
Shaped by hand using traditional methods, each pottery mug carries small variations that make it truly one of a kind. The matte black surface, the weight, the quiet balance, none of it comes from a machine.

This isn’t mass-produced tableware, it’s a personal object, crafted slowly and with purpose, shaped by real hands and real time.
And if how you live matters to you, then this belongs in your hands.

Detail of handcrafted black Japanese ceramic tea mug on a black background, Tsukushi

Time to Breathe

Let the Stillness Find You

When life moves too fast, even small moments of stillness feel like a luxury.
The Kurogazumi ceramic coffee mug set offers one of those moments.

Made slowly and with care, each mug is a quiet rejection of rush and distraction, a reminder that not everything has to be immediate.
Hand-shaped with intention, each piece carries the quiet of its making, a quiet that becomes yours the moment you hold it.

This isn’t just a set of black coffee mugs, it’s an invitation to pause. With its matte surface, organic shape, and quiet balance, it reflects the values of wabi sabi pottery, beauty found in imperfection, and meaning found in presence.
Let this be your ritual: one that slows you down, gently, every day.

Quiet Beauty, Every Day

A Japanese Coffee Mug That Grounds You

Sculptural and minimal, the Kurogazumi set stands out in any refined setting.
Its deep black surface pairs effortlessly with both Western and Asian tableware, offering quiet depth and visual harmony.

Japanese handcrafted black ceramic collection beige background, Tsukushi

Bird’s-eye view of three Japanese pottery pieces including a coffee cup, an ikebana vase and a chawanmushi bowl. Tsukushi.

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Where Legacy Lives

A Family Kiln, A Living Tradition

In Kusatsu, where ceramic tradition runs deep, Ohmi Ceramics carries that legacy forward through the hands of a father and son.
Yoshinori Yamamoto, a licensed ceramic master and one of the founders of Kusatsu-yaki, has dedicated decades to refining this local style, shaping, teaching, and elevating the craft. His son, Kazuma, follows in his path, working side by side in the family kiln.

Their studio is not a factory. It’s a place of quiet discipline, where local clay, ancestral techniques, and patient hands come together to create pieces that reflect the land they come from.
The Kurogazumi set is one of those pieces, grounded in tradition, shaped with intention.

Person shaping a pot on a Japanese pottery wheel with a close-up view, Tsukushi

Behind the Craft

Ohmi Ceramics

Tradition shaped by hand

Discover Ohmi Ceramics

Handcrafted Japanese black ceramic tea mug with a rustic finish on a neutral background, Tsukushi

Cultural Notes

When Japanese Tradition Meets Coffee

In traditional Japanese pottery, cups were made for tea, not coffee.
Vessels like the chawan (茶碗) for matcha or the handleless yunomi (湯呑) reflect centuries of ritual, craftsmanship, and cultural meaning. The coffee mug, especially with a handle, was never part of that original vocabulary.
But as coffee became part of everyday life in Japan, artisans began to adapt. Shapes evolved, handles appeared, yet the commitment to quality, technique, and the wabi sabi aesthetic remained unchanged. These new forms weren’t replacements, but extensions, bridging Japanese tradition with new daily rituals.
The Kurogazumi Ceramic Coffee mug set is part of that evolution: handmade coffee mugs that honor old methods while embracing new habits.

Shelves filled with various Japanese ceramic pots and teapots in a black and white photo, Tsukushi

Handcrafted and unglazed, each Kurogazumi mug embodies quiet refinement, balanced in form, rich in texture, and grounded in the timeless beauty of Japanese ceramic tradition.

Love the product but....

still unsure about ordering from Japan?

We get it, ordering from overseas can feel uncertain.

That’s why we treat every order with personal care, just like we’re sending it to a friend.
From careful in-house packaging to full tracking and responsive support, Tsukushi's team is here to make sure your experience feels thoughtful, safe, and smooth; from Japan to your doorstep.
You’re not just buying a product, you’re trusting us with something meaningful.

We take that seriously.

Learn More About Kurogazumi

Ceramic Coffee Mug Set Q&A

Can I put the Kurogazumi mugs in the microwave or dishwasher?

Yes, the Kurogazumi ceramic coffee mug set is safe for both microwave and dishwasher use. However, because each piece is handcrafted and finished as unglazed pottery, we recommend handling it with care.

Avoid letting the mugs touch other items in the dishwasher, as this may cause chipping, especially along the rim. After washing, dry thoroughly with a soft cloth to preserve the natural surface.

Can I use the Kurogazumi ceramic coffee mug set every day?

Yes, you can.
These Japanese mugs are designed to be part of your daily rhythm. Whether it’s a quiet morning at home or a mid-afternoon pause, the Kurogazumi set brings intention and beauty to ordinary moments.
Each piece is shaped by hand, with careful attention to form and texture.
While we recommend handling them mindfully, they’re perfectly suited for regular use.

Is unglazed pottery safe for food?

Yes, when properly fired at high temperatures, as with the Kurogazumi ceramic coffee mug set, unglazed pottery is safe for food and drink. These pottery coffee mugs are crafted using traditional Japanese methods that prioritize both quality and functionality. While their surface remains raw to the touch, they’re perfectly suited for daily use. Avoid prolonged soaking, and dry them after each wash.

Are the Kurogazumi mugs a good gift idea?

Yes, the Kurogazumi set is a refined choice among pottery gifts, perfect for those who value quiet design and craftsmanship.

Elegant and balanced, these ceramic espresso mugs bring a sense of calm to daily rituals, from slow mornings to shared moments.

A meaningful Japanese gift that feels personal and timeless.

Fine, but… what makes the Kurogazumi mugs truly special?

Every handcrafted ceramic mug in the Kurogazumi Ceramic coffee mug set is shaped slowly, with intent and care, never molded, never rushed.
The unglazed surface, subtle variations, and quiet texture embody a different kind of beauty: the kind found in time, imperfection, and human presence.
Inspired by the spirit of wabi sabi ceramics, each mug tells a slightly different story.

Can I mix the Kurogazumi mugs with Western tableware?

Yes, this ceramic coffee mug set blends seamlessly with both modern and traditional Western tableware.
Its clean lines and matte black finish create a quiet contrast that elevates any setting. While rooted in the spirit of the Japanese mug, its design feels at home beside porcelain plates, rustic ceramics, or contemporary flatware.

Can the Kurogazumi mugs be used for drinks other than coffee?

Yes.
The Kurogazumi ceramic coffee mug set, though perfect for coffee, also suits tea, matcha, herbal infusions, or a warm pour of cocoa.
Each mug feels balanced in the hand, with a tactile surface that enhances quiet moments.

With its minimalist form and artisanal texture, it fits naturally within Japandi-style mugs, where simplicity and warmth coexist.

Do you ship to the USA and Europe, and is my order insured?

Yes.
We ship to the USA, Europe, and worldwide, and every order includes tracking so you can follow its journey.
Your goods are also insured, so you’re covered from dispatch to delivery for extra peace of mind.

Japanese handcrafted black ceramic coffee Mug cups beige background design, Tsukushi

Featured Focus

A Name That Whispers

The name Kurogazumi (黒霞) combines two kanji: 黒 (kuro) meaning “black” and 霞 (kasumi) meaning “mist.” Together, they evoke the image of a soft, drifting haze, something present yet elusive, quiet yet enveloping.

This poetic contrast mirrors the character of the piece itself: matte black pottery with a muted presence, shaped by hand and grounded in stillness. The surface doesn’t shine, it absorbs light gently, like mist clinging to stone.
Kurogazumi is not just a name. It’s a feeling, the subtle depth that settles when things are left understated.

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100% Made in Japan

All our products are ethically crafted by local artisans in Japan

In-house operations

Tsukushi is not a dropshipping site. Every product is handled in-house for top quality and service

Customer service

We are available from Monday to Friday to answer your questions.

Kurogazumi Ceramic coffee mug set Set of 2

Product Details

You Deserve More Than Mass-Made

Let the Stillness Find You

A Japanese Coffee Mug That Grounds You

A Family Kiln, A Living Tradition

Ohmi Ceramics

When Japanese Tradition Meets Coffee

Customer Reviews

still unsure about ordering from Japan?

We get it, ordering from overseas can feel uncertain.

Ceramic Coffee Mug Set Q&A

A Name That Whispers

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