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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Pixel Snow | No. 263, Unisex T-Shirt
Graphic T-Shirt featuring a colorful 8-bit pixel art snowflake design inspired by retro arcade games.
Bright turquoise unisex t-shirt featuring colorful pixel art snowflakes, modeled by a woman with blonde hair on an urban subway platform.
Pixel Snow | No. 263
Unisex T-Shirt $35.00
Winter Bud | No. 262, Eco Tote Bag
Minimalist illustration of a single winter branch with a small dormant bud, black ink on canvas Tote Bag.
Minimalist illustration of a single winter branch with a small dormant bud, black ink on canvas Tote Bag.
Winter Bud | No. 262
Eco Tote Bag $30.00
Winter Bud | No. 262, Unisex T-Shirt
Product mockup
Wait for spring 春を待つ
Winter Bud | No. 262
Unisex T-Shirt $35.00
Hidden Mechanism | No. 261, Eco Tote Bag
Geometric deconstructed puzzle box illustration on white background, Tote Bag design.
Geometric deconstructed puzzle box illustration on white background, Tote Bag design.
Hidden Mechanism | No. 261
Eco Tote Bag $30.00
Hidden Mechanism | No. 261, Unisex T-Shirt
Minimalist exploded view line art of a Japanese puzzle box mechanism, T-Shirt graphic.
Unlock the unseen 見えないものを解く
Hidden Mechanism | No. 261
Unisex T-Shirt $35.00
Calculation | No. 260, Eco Tote Bag
Minimalist illustration of a vintage calculator with raised buttons, Tote Bag graphic.
Man holding a tote bag with a calculator design in a cafe setting
Calculation | No. 260
Eco Tote Bag $30.00
Calculation | No. 260, Unisex T-Shirt
Minimalist illustration of a vintage calculator with raised buttons, T-Shirt graphic.
Sum of moments 瞬間の合計
Calculation | No. 260
Unisex T-Shirt $35.00
Ichigo Ichie | No. 259, Unisex T-Shirt
Minimalist T-Shirt design featuring Japanese Kanji for Ichigo Ichie One Encounter One Chance.
Cherish this moment この瞬間を大切に
Ichigo Ichie | No. 259
Unisex T-Shirt $35.00
Ichigo Ichie | No. 259, Eco Tote Bag
Minimalist Tote Bag design featuring Japanese Kanji for Ichigo Ichie One Encounter One Chance.
Minimalist Tote Bag design featuring Japanese Kanji for Ichigo Ichie One Encounter One Chance.
Ichigo Ichie | No. 259
Eco Tote Bag $30.00
Clean Slate | No. 258, Eco Tote Bag
Minimalist Eco Tote Bag graphic featuring a spray bottle and a crumpled rag.
Minimalist Eco Tote Bag graphic featuring a spray bottle and a crumpled rag.
Clean Slate | No. 258
Eco Tote Bag $30.00
Clean Slate | No. 258, Unisex T-Shirt
Minimalist T-Shirt graphic featuring a spray bottle and a crumpled rag.
Clear the space 場を清める
Clean Slate | No. 258
Unisex T-Shirt $35.00
Coastal Drift | No. 257, Eco Tote Bag
Thick horizontal paint streak design blending blue, green, and yellow on an Eco Tote Bag.
Thick horizontal paint streak design blending blue, green, and yellow on an Eco Tote Bag.
Coastal Drift | No. 257
Eco Tote Bag $30.00
Coastal Drift | No. 257, Unisex T-Shirt
Thick horizontal paint streak design blending blue, green, and yellow on a unisex T-Shirt.
Flow with it 流れに乗る
Coastal Drift | No. 257
Unisex T-Shirt $35.00
Sunny Side Up | No. 256, Eco Tote Bag
Graphic pop art illustration of fried eggs with bold outlines and flat colors on a white background for a tote bag.
Graphic pop art illustration of fried eggs with bold outlines and flat colors on a white background for a tote bag.
Sunny Side Up | No. 256
Eco Tote Bag $30.00
Sunny Side Up | No. 256, Unisex T-Shirt
Graphic pop art illustration of fried eggs with bold outlines and flat colors on a white background for a t-shirt.
Toast-colored t-shirt featuring a cartoon fried egg graphic worn by a young man in a sunlit modern loft apartment.
Sunny Side Up | No. 256
Unisex T-Shirt $35.00
The Joker (Baida) | No. 255, Eco Tote Bag
Hand-drawn illustration of a single Mahjong Joker tile on an Eco Tote Bag.
Hand-drawn illustration of a single Mahjong Joker tile on an Eco Tote Bag.
The Joker (Baida) | No. 255
Eco Tote Bag $30.00
The Joker (Baida) | No. 255, Unisex T-Shirt
Hand-drawn illustration of a single Mahjong Joker tile on a Unisex T-Shirt.
Infinite potential. 無限の可能性。
The Joker (Baida) | No. 255
Unisex T-Shirt $35.00
The Honest Late | No. 254, Eco Tote Bag
Eco tote bag featuring bold honest text about being late and not wanting to attend.
Eco tote bag featuring bold honest text about being late and not wanting to attend.
The Honest Late | No. 254
Eco Tote Bag $30.00
The Honest Late | No. 254, Unisex T-Shirt
Minimalist typography T-Shirt design with the text Sorry I'm Late I Didn't Want To Come.
Man sitting at a table in a coffee shop looking at his phone, wearing a t-shirt with a humorous message.
The Honest Late | No. 254
Unisex T-Shirt $35.00
Out of Office | No. 038, Unisex T-Shirt
A quiet design of retreat — a chair and sun drawn in outline. Drop No. 038 from ichinichi.studio.
Product mockup
Out of Office | No. 038
Unisex T-Shirt $35.00
Still Water | No. 081, Unisex T-Shirt
A minimalist Japanese-inspired tee with the kanji for calm (静), centered on stillness and softness.
Product mockup
Still Water | No. 081
Unisex T-Shirt $35.00
9AM Beer at the Airport | No. 159, Unisex T-Shirt
Minimalist brush pen illustration of beer pint with 9AM clock and airplane at airport window
Product mockup
9AM Beer at the Airport | No. 159
Unisex T-Shirt $35.00
Fruitducken | No. 126, Unisex T-Shirt
A playful fruit-layered graphic tee: watermelon, mango, lemon, strawberry, blueberry. Fun, bold, and surreal.
Product mockup
Fruitducken | No. 126
Unisex T-Shirt $35.00
Street Market | No. 139, Unisex T-Shirt
Product mockup
ICHINICHI cream t-shirt with orange night market illustration worn by a smiling woman in a busy Asian street food market at dusk.
Street Market | No. 139
Unisex T-Shirt $35.00

The architecture of a single day.

一日の設計。

Founded on the strict principles of Japanese minimalism and structural discipline, ichinichi studio is an ongoing study of the daily rotation. We do not chase seasonal shifts or temporary noise. Instead, we engineer permanent, uncompromising artifacts—garments and objects of utility designed with absolute visual weight, stark typography, and brutalist form. This is not a clothing brand; it is a master archive dedicated to the pure, physical manifestation of a single day.

How It Works

ONE DESIGN DAILY

A new numbered addition to our minimalist archive, released every 24 hours.

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Buy any 3 items and the 4th is on us. Calculated automatically at checkout.

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