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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Harajuku Queen | No. 353, Unisex Long Sleeve T-Shirt
Graphic illustration of a Harajuku girl as the Queen of Spades on a Long Sleeve T-Shirt.
Woman leaning against a brick wall in an urban street at night with neon signs.
Harajuku Queen | No. 353
Unisex Long Sleeve T-Shirt $40.00
Harajuku Queen | No. 353, Unisex T-Shirt
Graphic illustration of a Harajuku girl as the Queen of Spades on a Short Sleeve T-Shirt.
Man standing in a vibrant urban street scene with neon signs and people around
Harajuku Queen | No. 353
Unisex T-Shirt $35.00
Popcorn Overflow | No. 352, Youth T-Shirt
Minimalist illustration of an overflowing movie popcorn bucket on a Youth T-Shirt.
Person standing in a neon-lit alleyway with vending machines and colorful walls.
Popcorn Overflow | No. 352
Youth T-Shirt $30.00
Popcorn Overflow | No. 352, Unisex Pullover Hoodie
Minimalist illustration of an overflowing movie popcorn bucket on a Pullover Hoodie.
Person wearing a black hoodie with a logo in a modern art gallery
Popcorn Overflow | No. 352
Unisex Pullover Hoodie $65.00
Popcorn Overflow | No. 352, Unisex Long Sleeve T-Shirt
Minimalist illustration of an overflowing movie popcorn bucket on a Long Sleeve T-Shirt.
Man standing in a movie theater lobby with vintage posters on the walls.
Popcorn Overflow | No. 352
Unisex Long Sleeve T-Shirt $40.00
Popcorn Overflow | No. 352, Unisex T-Shirt
Minimalist illustration of an overflowing movie popcorn bucket on a Short Sleeve T-Shirt.
A man in his 50s with a beard, wearing a black popcorn graphic t-shirt, stands in a rugged abandoned industrial warehouse with sunlight casting sharp shadows.
Popcorn Overflow | No. 352
Unisex T-Shirt $35.00
The Morning Ritual | No. 351, Unisex Pullover Hoodie
Line art illustration of a squirrel in a puffy robe holding coffee and a newspaper on a Pullover Hoodie.
Man standing in a neon-lit alleyway with Japanese signage
The Morning Ritual | No. 351
Unisex Pullover Hoodie $65.00
The Morning Ritual | No. 351, Unisex Long Sleeve T-Shirt
Line art illustration of a squirrel in a puffy robe holding coffee and a newspaper on a Long Sleeve T-Shirt.
Woman standing against a modern building with concrete walls and glass windows.
The Morning Ritual | No. 351
Unisex Long Sleeve T-Shirt $40.00
The Morning Ritual | No. 351, Unisex T-Shirt
Line art illustration of a squirrel in a puffy robe holding coffee and a newspaper on a Short Sleeve T-Shirt.
Woman wearing a beige t-shirt with a graphic design, standing against a brick wall.
The Morning Ritual | No. 351
Unisex T-Shirt $35.00
The Quiet Terminal | No. 350, Unisex Pullover Hoodie
Architectural blueprint style illustration of airport terminal icons and directional signage on a Pullover Hoodie.
Person wearing a gray hoodie with text design in an indoor setting
The Quiet Terminal | No. 350
Unisex Pullover Hoodie $65.00
The Quiet Terminal | No. 350, Unisex Long Sleeve T-Shirt
Architectural blueprint style illustration of airport terminal icons and directional signage on a Long Sleeve T-Shirt.
Person wearing a gray long-sleeve shirt and blue jeans standing on a wooden bridge with greenery around.
The Quiet Terminal | No. 350
Unisex Long Sleeve T-Shirt $40.00
The Quiet Terminal | No. 350, Unisex T-Shirt
Architectural blueprint style illustration of airport terminal icons and directional signage on a Short Sleeve T-Shirt.
Man wearing a light blue t-shirt with a graphic design, standing in front of a brick building.
The Quiet Terminal | No. 350
Unisex T-Shirt $35.00
The Shared Peak | No. 349, Unisex Pullover Hoodie
Minimalist line art illustration of two hikers with backpacks and their dog trekking through a mountain range on a Pullover Hoodie.
Man wearing a green hoodie with a mountain design in a forest setting
The Shared Peak | No. 349
Unisex Pullover Hoodie $65.00
The Shared Peak | No. 349, Unisex Long Sleeve T-Shirt
Minimalist line art illustration of two hikers with backpacks and their dog trekking through a mountain range on a Long Sleeve T-Shirt.
Man wearing a dark gray long-sleeve shirt with a logo on a city street
The Shared Peak | No. 349
Unisex Long Sleeve T-Shirt $40.00
The Shared Peak | No. 349, Unisex T-Shirt
Minimalist line art illustration of two hikers with backpacks and their dog trekking through a mountain range on a Short Sleeve T-Shirt.
Person standing on a neon-lit street with various signs and a tiger logo.
The Shared Peak | No. 349
Unisex T-Shirt $35.00
Writer’s Bento | No. 348, Unisex Pullover Hoodie
A clean vector graphic of a bento box containing writing supplies and paperclips on a Pullover Hoodie.
Person wearing a green hoodie with a graphic design, standing in a room with large windows showing greenery outside.
Writer’s Bento | No. 348
Unisex Pullover Hoodie $65.00
Writer’s Bento | No. 348, Unisex Long Sleeve T-Shirt
Minimalist line art of a stationery-filled bento box including a pen and sticky notes on a Long Sleeve T-Shirt.
Man wearing a teal long-sleeve shirt with a graphic design, standing in an urban concrete setting.
Writer’s Bento | No. 348
Unisex Long Sleeve T-Shirt $40.00
Writer’s Bento | No. 348, Unisex T-Shirt
A minimalist vector illustration of a bento box filled with a fountain pen, pencil, notepad, and paperclips on a Short Sleeve T-Shirt.
Woman in a blue t-shirt walking through a busy city street with neon signs and pedestrians.
Writer’s Bento | No. 348
Unisex T-Shirt $35.00
Frank’s Dogs | No. 347, Unisex Pullover Hoodie
Minimalist illustration of a classic hot dog food truck with clean lines on a Pullover Hoodie.
Person wearing a hoodie with a red bus graphic in an urban night setting with a bridge in the background.
Frank’s Dogs | No. 347
Unisex Pullover Hoodie $65.00
Frank’s Dogs | No. 347, Unisex Long Sleeve T-Shirt
Minimalist illustration of a classic hot dog food truck with clean lines on a Long Sleeve T-Shirt.
Person standing in a park with trees and a lake in the background
Frank’s Dogs | No. 347
Unisex Long Sleeve T-Shirt $40.00
Frank’s Dogs | No. 347, Unisex T-Shirt
Minimalist illustration of a classic hot dog food truck with clean lines on a Short Sleeve T-Shirt.
Man wearing a gray t-shirt with a graphic design, standing in front of a modern building.
Frank’s Dogs | No. 347
Unisex T-Shirt $35.00
Smile Graffiti | No. 346, Unisex Pullover Hoodie
A minimalist pullover hoodie featuring a graffiti-style smile illustration with bold, expressive lines.
Person wearing a pink hoodie with colorful text, standing in an urban street with graffiti art.
Smile Graffiti | No. 346
Unisex Pullover Hoodie $65.00
Smile Graffiti | No. 346, Unisex Long Sleeve T-Shirt
White long-sleeve shirt with colorful 'SMILE' text design on a white background
Person wearing a white sweatshirt with colorful text in front of a modern building.
Smile Graffiti | No. 346
Unisex Long Sleeve T-Shirt $40.00
Smile Graffiti | No. 346, Unisex T-Shirt
A minimalist short sleeve t-shirt featuring a graffiti-style smile illustration with bold, expressive lines.
Person standing on a street with neon signs and graffiti in the background
Smile Graffiti | No. 346
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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