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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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The Potato Study | No. 393, Unisex Long Sleeve T-Shirt
Minimalist botanical potato comparison graphic in cross-hatch style on a Long Sleeve T-Shirt.
Person standing in an industrial setting with plants and machinery.
The Potato Study | No. 393
Unisex Long Sleeve T-Shirt $40.00
The Potato Study | No. 393, Unisex T-Shirt
Detailed cross-hatch pencil illustration of a sweet potato and Idaho potato side-by-side on a Short Sleeve T-Shirt.
Woman wearing a green t-shirt with potato and carrot design, holding a book, standing in front of a modern architectural building.
The Potato Study | No. 393
Unisex T-Shirt $35.00
Vanda Awakening | No. 392, Eco Tote Bag
Vanda orchid stalk with vibrant purple petals in brush pen style on an Eco Tote Bag.
Woman holding a tote bag with a floral design in a park-like setting
Vanda Awakening | No. 392
Eco Tote Bag $30.00
Vanda Awakening | No. 392, Youth T-Shirt
Colorful orchid blossom and buds brush pen art on a Youth T-Shirt.
Person standing by a pond with traditional Japanese architecture in the background
Vanda Awakening | No. 392
Youth T-Shirt $30.00
Vanda Awakening | No. 392, Unisex Pullover Hoodie
Detailed Vanda orchid brush pen graphic in deep red and purple on a Pullover Hoodie.
Man walking through a narrow alleyway with traditional Japanese signs and street vendors.
Vanda Awakening | No. 392
Unisex Pullover Hoodie $65.00
Vanda Awakening | No. 392, Unisex Long Sleeve T-Shirt
Orchid stalk graphic with evolving buds in purple and pink brush pen style on a Long Sleeve T-Shirt.
Woman wearing a white long-sleeve shirt with a floral design in a bamboo forest.
Vanda Awakening | No. 392
Unisex Long Sleeve T-Shirt $40.00
Vanda Awakening | No. 392, Unisex T-Shirt
Brush pen illustration of a Vanda orchid stalk with buds and one open flower in purple and red on a Short Sleeve T-Shirt.
Man standing on a street with neon signs and people in the background
Vanda Awakening | No. 392
Unisex T-Shirt $35.00
Gridlock Stillness | No. 391, Eco Tote Bag
Minimalist traffic jam line drawing on an Eco Tote Bag.
Woman holding a beige tote bag with text in front of a colorful mural.
Gridlock Stillness | No. 391
Eco Tote Bag $30.00
Gridlock Stillness | No. 391, Youth T-Shirt
Graphic line art of cars in traffic on a Youth T-Shirt.
Person standing by a waterfront with a city skyline in the background
Gridlock Stillness | No. 391
Youth T-Shirt $30.00
Gridlock Stillness | No. 391, Unisex Pullover Hoodie
Simple line drawing of cars and road markings on a Pullover Hoodie.
Person wearing a black hoodie with a logo and black pants standing in a modern indoor setting.
Gridlock Stillness | No. 391
Unisex Pullover Hoodie $65.00
Gridlock Stillness | No. 391, Unisex Long Sleeve T-Shirt
Minimalist overhead traffic graphic with yellow accents on a Long Sleeve T-Shirt.
A rugged-industrial styled Nigerian man in his late 20s stands inside the raw concrete interior of the Aichi Arts Center in Nagoya. He is wearing the dark charcoal heather long-sleeve
Gridlock Stillness | No. 391
Unisex Long Sleeve T-Shirt $40.00
Gridlock Stillness | No. 391, Unisex T-Shirt
Simple line drawing of cars in traffic with yellow road lines on a Short Sleeve T-Shirt.
A medium shot of a Japanese woman in her early 20s styled for a relaxed everyday casual look, sitting outdoors on the concrete flood steps of the Arakawa Riverside in Tokyo
Gridlock Stillness | No. 391
Unisex T-Shirt $35.00
Blue Quartz | No. 390, Eco Tote Bag
Minimalist blue quartz crystal graphic printed on an eco tote bag.
Woman holding a tote bag with a butterfly design in a modern indoor setting
Blue Quartz | No. 390
Eco Tote Bag $30.00
Blue Quartz | No. 390, Youth T-Shirt
Geometric blue quartz crystal design for youth t-shirt in blue ink wash.
Person wearing a dark blue t-shirt with a graphic design, standing by a river with city skyline in the background.
Blue Quartz | No. 390
Youth T-Shirt $30.00
Blue Quartz | No. 390, Unisex Pullover Hoodie
Detailed blue quartz crystal graphic with ink wash textures on a pullover hoodie.
Person standing on a street at night with neon signs and buildings in the background
Blue Quartz | No. 390
Unisex Pullover Hoodie $65.00
Blue Quartz | No. 390, Unisex Long Sleeve T-Shirt
Sharp blue quartz crystal illustration in ink wash style on a long sleeve t-shirt.
Man wearing a gray t-shirt with a blue crystal graphic and a dark jacket outdoors.
Blue Quartz | No. 390
Unisex Long Sleeve T-Shirt $40.00
Blue Quartz | No. 390, Unisex T-Shirt
Ink wash illustration of blue quartz crystals with sharp facets on a short sleeve t-shirt.
Man wearing a light gray t-shirt with a blue graphic design in a modern building.
Blue Quartz | No. 390
Unisex T-Shirt $35.00
Sweet Nostalgia | No. 389, Eco Tote Bag
Translucent red lollipop graphic with color pencil textures on an Eco Tote Bag.
Man holding a beige tote bag with a library in the background
Sweet Nostalgia | No. 389
Eco Tote Bag $30.00
Sweet Nostalgia | No. 389, Youth T-Shirt
Playful color pencil illustration of a red lollipop on a Youth T-Shirt.
Person standing in a neon-lit street with various signs and people in the background
Sweet Nostalgia | No. 389
Youth T-Shirt $30.00
Sweet Nostalgia | No. 389, Unisex Pullover Hoodie
Soft color pencil texture of a red lollipop graphic on a Pullover Hoodie.
Man wearing a white hoodie with a red and white lollipop design in an industrial setting
Sweet Nostalgia | No. 389
Unisex Pullover Hoodie $65.00
Sweet Nostalgia | No. 389, Unisex Long Sleeve T-Shirt
Detailed color pencil drawing of a red lollipop and paper stick on a Long Sleeve T-Shirt.
Man walking in a library or bookstore with bookshelves and people in the background
Sweet Nostalgia | No. 389
Unisex Long Sleeve T-Shirt $40.00
Sweet Nostalgia | No. 389, Unisex T-Shirt
Color pencil illustration of a translucent red lollipop with a crinkled wrapper on a Short Sleeve T-Shirt.
Man standing in front of a colorful geometric wall
Sweet Nostalgia | No. 389
Unisex T-Shirt $35.00
Indifference | No. 388, Eco Tote Bag
Pewter ink Japanese kanji on a sustainable Eco Tote Bag.
Woman holding a tote bag in a park with trees and a pond in the background
Indifference | No. 388
Eco Tote Bag $30.00
Indifference | No. 388, Youth T-Shirt
Youth T-Shirt featuring pewter-colored Japanese brush strokes.
Person standing in a futuristic cityscape with neon lights
Indifference | No. 388
Youth T-Shirt $30.00

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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