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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

Forward Motion | No. 373, Unisex T-Shirt

Abstract amber chevron graphic with textured fills and brush-line edges on a Short Sleeve T-Shirt.

Forward Motion | No. 373, Unisex T-Shirt

Forward Motion | No. 373
Unisex T-Shirt $35.00

Urban Courier | No. 372, Eco Tote Bag

Mechanical delivery robot illustration in a minimalist line style on an Eco Tote Bag.

Woman holding a tote bag in an urban street setting with buildings and vehicles in the background.

Urban Courier | No. 372
Eco Tote Bag $30.00

Urban Courier | No. 372, Youth T-Shirt

Friendly delivery robot graphic in marker and line art on a Youth T-Shirt.

Person holding a skateboard in an urban setting with graffiti on walls

Urban Courier | No. 372
Youth T-Shirt $30.00

Urban Courier | No. 372, Unisex Pullover Hoodie

Clean line drawing of a small delivery robot with marker details on a Pullover Hoodie.

Man standing on a street corner in an urban setting with graffiti on buildings.

Urban Courier | No. 372
Unisex Pullover Hoodie $65.00

Urban Courier | No. 372, Unisex Long Sleeve T-Shirt

Minimalist delivery robot illustration with marker color accents on a Long Sleeve T-Shirt.

Person walking through a busy city street at night with illuminated signs and people around.

Urban Courier | No. 372
Unisex Long Sleeve T-Shirt $40.00

Urban Courier | No. 372, Unisex T-Shirt

Simple line drawing of an autonomous delivery robot with marker accents on a Short Sleeve T-Shirt.

Man wearing a light blue t-shirt with a graphic design, standing in a modern indoor setting.

Urban Courier | No. 372
Unisex T-Shirt $35.00

The Tension | No. 371, Eco Tote Bag

Champagne cork and metal cage marker graphic on an Eco Tote Bag.

Man holding a tote bag with a design on a city street

The Tension | No. 371
Eco Tote Bag $30.00

The Tension | No. 371, Youth T-Shirt

Bold marker illustration of a cork and wire muselet on a Youth T-Shirt.

Young person sitting at a table with a book and drink, surrounded by people in a casual setting.

The Tension | No. 371
Youth T-Shirt $30.00

The Tension | No. 371, Unisex Pullover Hoodie

Deep green and tan marker art of a cork and cage on a Pullover Hoodie.

Woman sitting at a table with a cup of coffee and a notebook in a modern indoor setting with plants and cityscape.

The Tension | No. 371
Unisex Pullover Hoodie $65.00

The Tension | No. 371, Unisex Long Sleeve T-Shirt

Graphic marker drawing of a champagne cork and metal cage on a Long Sleeve T-Shirt.

Man sitting on a couch holding a mug in a cozy room with plants and books.

The Tension | No. 371
Unisex Long Sleeve T-Shirt $40.00

The Tension | No. 371, Unisex T-Shirt

Marker illustration of a champagne cork and loosened wire cage on a Short Sleeve T-Shirt.

Woman wearing a green t-shirt and silver sequin skirt in a modern indoor setting

The Tension | No. 371
Unisex T-Shirt $35.00

Yellowtail Study | No. 370, Eco Tote Bag

Stippled hamachi yellowtail sushi graphic on a sustainable Eco Tote Bag.

Yellowtail Study | No. 370
Eco Tote Bag $30.00

Yellowtail Study | No. 370, Youth T-Shirt

Minimalist hamachi sushi illustration for kids on a Youth T-Shirt.

Young girl walking through a shopping arcade with toy displays and people in the background

Yellowtail Study | No. 370
Youth T-Shirt $30.00

Yellowtail Study | No. 370, Unisex Pullover Hoodie

Hamachi yellowtail sushi stippled art on a Pullover Hoodie.

Man standing on a rooftop at night with cityscape and neon lights in the background

Yellowtail Study | No. 370
Unisex Pullover Hoodie $65.00

Yellowtail Study | No. 370, Unisex Long Sleeve T-Shirt

Detailed stippled hamachi graphic on a Long Sleeve T-Shirt.

Woman wearing a black long-sleeve shirt with a design in an urban setting

Yellowtail Study | No. 370
Unisex Long Sleeve T-Shirt $40.00

Yellowtail Study | No. 370, Unisex T-Shirt

Stippling illustration of hamachi yellowtail sushi with green onion on a Short Sleeve T-Shirt.

Man wearing a black t-shirt with a graphic design standing on a dock with buildings and water in the background

Yellowtail Study | No. 370
Unisex T-Shirt $35.00

The Practice | No. 369, Eco Tote Bag

Minimalist cross-hatch basketball jersey print, Eco Tote Bag.

Person walking down a narrow alleyway in an urban setting with a tote bag.

The Practice | No. 369
Eco Tote Bag $30.00

The Practice | No. 369, Youth T-Shirt

Graphic illustration of a practice basketball jersey on a hook, Youth T-Shirt.

A candid lifestyle photograph of an African American youth (age 13-16) wearing the "ICHINICHI" gray youth t-shirt, featuring the "Echoes Of Effort" tattered basketball jersey number 7 graphic. He is walking up a concrete stairwell at the Barbican Estate in London under soft, diffused daylight, showcasing a modern streetwear look.

The Practice | No. 369
Youth T-Shirt $30.00

The Practice | No. 369, Unisex Pullover Hoodie

Minimalist cross-hatch jersey graphic with number 7 and rusted hook, Pullover Hoodie.

A candid lifestyle photograph of a 30s Filipino woman with cool, layered streetwear, wearing the "ICHINICHI" gray hoodie with the tattered 'Echoes of Effort' number 7 graphic. She is walking through Tokyo's Shimokitazawa district at night, illuminated by the vibrant, colorful glow of neon signs reflecting off her and the surrounding vintage shop fronts.

The Practice | No. 369
Unisex Pullover Hoodie $65.00

The Practice | No. 369, Unisex Long Sleeve T-Shirt

Detailed cross-hatch drawing of a torn athletic jersey on a metal hook, Long Sleeve T-Shirt.

A high-quality lifestyle photograph of a 20s South Asian man wearing the 'Echoes of Effort' grey long-sleeve tee from image_24.png. The detailed graphic of the tattered jersey number 7 is sharply in focus against the textured concrete walls and background architecture of the Barbican Estate in London under a soft, overcast sky.

The Practice | No. 369
Unisex Long Sleeve T-Shirt $40.00

The Practice | No. 369, Unisex T-Shirt

Cross-hatch ink illustration of a frayed basketball jersey with number 7 on a rusted hook, Short Sleeve T-Shirt.

A sharp lifestyle photograph of a 30s Brazilian woman smiling, standing at Wynwood Walls in Miami. She is wearing the 'Echoes of Effort' grey t-shirt featuring the tattered basketball jersey graphic. Hard, direct sunlight creates defined shadows and highlights the textures of the shirt and the colorful graffiti murals in the background.

The Practice | No. 369
Unisex T-Shirt $35.00

Resonance Evolution | No. 368, Eco Tote Bag

Eco-friendly tote bag featuring a minimalist graphic of toothbrush evolution in black and white.

Man holding a beige tote bag with graphic design, standing outdoors against a light-colored building.

Resonance Evolution | No. 368
Eco Tote Bag $30.00

Resonance Evolution | No. 368, Youth T-Shirt

Educational minimalist graphic of toothbrush evolution on a Youth Short Sleeve T-Shirt.

Young woman standing in an arcade with vintage games and a gashapon machine.

Resonance Evolution | No. 368
Youth T-Shirt $30.00

Resonance Evolution | No. 368, Unisex Pullover Hoodie

High-contrast graphic of manual and electric brushes side-by-side on a Pullover Hoodie.

Resonance Evolution | No. 368
Unisex Pullover Hoodie $65.00

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.