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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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The Daily Dog | No. 404, Youth T-Shirt
Bird's-eye view illustration of three hot dogs with varying toppings in a color pencil style on a Youth T-Shirt.
Young person in a yellow shirt with a graphic design, standing at a skate park with a skateboard.
The Daily Dog | No. 404
Youth T-Shirt $30.00
The Daily Dog | No. 404, Unisex Pullover Hoodie
Bird's-eye view illustration of three hot dogs with varying toppings in a color pencil style on a Pullover Hoodie.
Person working with screen printing equipment in a workshop.
The Daily Dog | No. 404
Unisex Pullover Hoodie $65.00
The Daily Dog | No. 404, Unisex Long Sleeve T-Shirt
Bird's-eye view illustration of three hot dogs with varying toppings in a color pencil style on a Long Sleeve T-Shirt.
Woman wearing a yellow sweatshirt with hot dog graphics sitting on a bench outdoors.
The Daily Dog | No. 404
Unisex Long Sleeve T-Shirt $40.00
The Daily Dog | No. 404, Unisex T-Shirt
Bird's-eye view illustration of three hot dogs with varying toppings in a color pencil style on a Short Sleeve T-Shirt.
Person wearing a yellow t-shirt with colorful graphics on a street with graffiti and urban buildings.
The Daily Dog | No. 404
Unisex T-Shirt $35.00
The Dentist | No. 403, Eco Tote Bag
Bold marker illustration of a dental chair scene on an Eco Tote Bag.
Man holding a tote bag with a logo, standing in front of modern architectural structures.
The Dentist | No. 403
Eco Tote Bag $30.00
The Dentist | No. 403, Youth T-Shirt
Minimalist marker drawing of a dentist and patient on a Youth T-Shirt.
Person leaning against a graffiti-covered wall on a neon-lit street at night.
The Dentist | No. 403
Youth T-Shirt $30.00
The Dentist | No. 403, Unisex Pullover Hoodie
Graphic silhouette of a dental appointment in marker style on a Pullover Hoodie.
Woman wearing a gray hoodie with a graphic design in an art gallery setting
The Dentist | No. 403
Unisex Pullover Hoodie $65.00
The Dentist | No. 403, Unisex Long Sleeve T-Shirt
Bold marker silhouette of a dentist leaning over a patient on a Long Sleeve T-Shirt.
Man in a workshop holding a metal object, surrounded by tools and machinery.
The Dentist | No. 403
Unisex Long Sleeve T-Shirt $40.00
The Dentist | No. 403, Unisex T-Shirt
Marker illustration silhouette of a dentist and patient in a chair on a Short Sleeve T-Shirt.
Woman wearing a light blue t-shirt with a graphic design, standing in a garden.
The Dentist | No. 403
Unisex T-Shirt $35.00
The Rusted Halt | No. 402, Eco Tote Bag
Minimalist rusted stop sign ink illustration on a canvas Tote Bag.
Man holding a tote bag with a 'STOP' sign design in an urban setting
The Rusted Halt | No. 402
Eco Tote Bag $30.00
The Rusted Halt | No. 402, Youth T-Shirt
Colorful weathered stop sign graphic for kids, Youth T-Shirt.
Person sitting on a skateboard at a skate park with colorful graffiti and people in the background.
The Rusted Halt | No. 402
Youth T-Shirt $30.00
The Rusted Halt | No. 402, Unisex Pullover Hoodie
Gritty cross-hatch illustration of a rusted octagonal stop sign, Pullover Hoodie.
Man in a black hoodie with 'STOP' logo standing in an art gallery with sculptures.
The Rusted Halt | No. 402
Unisex Pullover Hoodie $65.00
The Rusted Halt | No. 402, Unisex Long Sleeve T-Shirt
Detailed ink drawing of a rusted stop sign with heavy cross-hatching, Long Sleeve T-Shirt.
Man wearing a gray long-sleeve shirt with 'STOP' printed on it, standing in an industrial setting.
The Rusted Halt | No. 402
Unisex Long Sleeve T-Shirt $40.00
The Rusted Halt | No. 402, Unisex T-Shirt
A cross-hatch ink illustration of a weathered, rusted red stop sign with white text, Short Sleeve T-Shirt.
Woman standing in a bustling city street at night with bright neon signs.
The Rusted Halt | No. 402
Unisex T-Shirt $35.00
Cootie Shot | No. 401, Eco Tote Bag
Geometric orange and purple brush-stroke vertical stack design on a sustainable Eco Tote Bag.
Woman holding a beige tote bag with text in an indoor setting
Cootie Shot | No. 401
Eco Tote Bag $30.00
Cootie Shot | No. 401, Youth T-Shirt
Vibrant orange and purple vertical stack of circles and dots in a paint brush style on a Youth T-Shirt.
Person wearing a beige t-shirt with colorful design, standing in a futuristic indoor setting with blue and purple lighting.
Cootie Shot | No. 401
Youth T-Shirt $30.00
Cootie Shot | No. 401, Unisex Pullover Hoodie
Minimalist orange and purple brush-stroke vertical stack graphic on a Pullover Hoodie.
Man wearing a white hoodie with colorful abstract mural in the background
Cootie Shot | No. 401
Unisex Pullover Hoodie $65.00
Cootie Shot | No. 401, Unisex Long Sleeve T-Shirt
Graphic vertical stack of orange circles and purple paint-stroke dots on a Long Sleeve T-Shirt.
Person wearing a white sweatshirt with colorful design in an urban setting
Cootie Shot | No. 401
Unisex Long Sleeve T-Shirt $40.00
Cootie Shot | No. 401, Unisex T-Shirt
Vertical stack of two orange circles and two purple dots in a paint brush style on a Short Sleeve T-Shirt.
Man wearing a white t-shirt with colorful circles in an urban setting with cherry blossoms.
Cootie Shot | No. 401
Unisex T-Shirt $35.00
20 Squared | No. 400, Eco Tote Bag
Minimalist 20 squared brush stroke illustration on an Eco-friendly Tote Bag.
Woman holding a beige tote bag with '202' design, standing in front of modern glass architecture.
20 Squared | No. 400
Eco Tote Bag $30.00
20 Squared | No. 400, Youth T-Shirt
Simple red and black 20 squared math graphic on a Youth Short Sleeve T-Shirt.
Person holding a skateboard in front of a graffiti-covered wall
20 Squared | No. 400
Youth T-Shirt $30.00
20 Squared | No. 400, Unisex Pullover Hoodie
Minimalist brush stroke equation for 400 featured on a heavy-weight Pullover Hoodie.
Person wearing a gray hoodie with '20²' design, standing against a graffiti-covered wall in an urban setting.
20 Squared | No. 400
Unisex Pullover Hoodie $65.00
20 Squared | No. 400, Unisex Long Sleeve T-Shirt
Architectural 20 squared mathematical graphic in red and black on a Long Sleeve T-Shirt.
Woman wearing a gray sweatshirt with '2021' printed on it, standing on a cobblestone street.
20 Squared | No. 400
Unisex Long Sleeve T-Shirt $40.00
20 Squared | No. 400, Unisex T-Shirt
Minimalist mathematical equation 20 squared in black and red brush strokes on a Short Sleeve T-Shirt.
Man wearing a white t-shirt with '20²' design standing against a building.
20 Squared | No. 400
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.

GLOBAL FREE SHIPPING

We believe art has no borders. Enjoy $0 shipping to any destination, always.

BUILD YOUR ARCHIVE

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

THOUGHTFULLY MADE

Premium blanks, printed on demand to ensure lasting quality and zero waste.

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