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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Celestial Balance | No. 304, Unisex Long Sleeve T-Shirt
Minimalist line art illustration of sun and moon on Long Sleeve T-Shirt
Man in a blue shirt with a sun design sitting at a wooden table in a cozy cafe.
Celestial Balance | No. 304
Unisex Long Sleeve T-Shirt $40.00
Celestial Balance | No. 304, Unisex T-Shirt
Minimalist line art illustration of sun and moon on Short Sleeve T-Shirt
Person wearing a light blue t-shirt with a colorful design in a modern art gallery.
Celestial Balance | No. 304
Unisex T-Shirt $35.00
The Kokeshi Gathering 集まり | No. 303, Eco Tote Bag
Illustration of four colorful Japanese kokeshi dolls arranged in two pairs on a Tote Bag.
Man sitting in an art gallery holding a tote bag.
The Kokeshi Gathering 集まり | No. 303
Eco Tote Bag $30.00
The Kokeshi Gathering 集まり | No. 303, Unisex Pullover Hoodie
Illustration of four colorful Japanese kokeshi dolls arranged in two pairs on a Pullover Hoodie.
Man standing on a wooden path in a marshy area wearing a denim jacket and white hoodie with character designs.
The Kokeshi Gathering 集まり | No. 303
Unisex Pullover Hoodie $65.00
The Kokeshi Gathering 集まり | No. 303, Unisex Long Sleeve T-Shirt
Illustration of four colorful Japanese kokeshi dolls arranged in two pairs on a Long Sleeve T-Shirt.
Woman using a laptop in a classroom setting with other students.
The Kokeshi Gathering 集まり | No. 303
Unisex Long Sleeve T-Shirt $40.00
The Kokeshi Gathering 集まり | No. 303, Unisex T-Shirt
Illustration of four colorful Japanese kokeshi dolls arranged in two pairs on a Short Sleeve T-Shirt.
Man sitting on a bench in a modern art gallery with abstract painting in the background
The Kokeshi Gathering 集まり | No. 303
Unisex T-Shirt $35.00
Lychee Ramune | No. 302, Eco Tote Bag
Minimalist line art of a Japanese Ramune soda bottle with lychee fruit on a Tote Bag.
Man holding a black tote bag with a pink bottle design in an office setting
Lychee Ramune | No. 302
Eco Tote Bag $30.00
Lychee Ramune | No. 302, Unisex Pullover Hoodie
Minimalist line art of a Japanese Ramune soda bottle with lychee fruit on a Pullover Hoodie.
Man walking through a clothing store with racks of clothes on either side.
Lychee Ramune | No. 302
Unisex Pullover Hoodie $65.00
Lychee Ramune | No. 302, Unisex Long Sleeve T-Shirt
Minimalist line art of a Japanese Ramune soda bottle with lychee fruit on a Long Sleeve T-Shirt.
Person wearing a dark gray sweatshirt with a pink bottle graphic in an art gallery.
Lychee Ramune | No. 302
Unisex Long Sleeve T-Shirt $40.00
Lychee Ramune | No. 302, Unisex T-Shirt
Minimalist line art of a Japanese Ramune soda bottle with lychee fruit on a Short Sleeve T-Shirt.
Man leaning against a railing on a rooftop with a cityscape in the background
Lychee Ramune | No. 302
Unisex T-Shirt $35.00
Aged Oak | No. 301, Eco Tote Bag
Minimalist illustration of stacked bourbon barrels on an Eco Tote Bag.
Woman holding a tote bag in an art gallery with abstract paintings on the walls.
Aged Oak | No. 301
Eco Tote Bag $30.00
Aged Oak | No. 301, Unisex Pullover Hoodie
Minimalist illustration of stacked bourbon barrels on a Pullover Hoodie.
Person wearing a hoodie with text in a greenhouse filled with plants
Aged Oak | No. 301
Unisex Pullover Hoodie $65.00
Aged Oak | No. 301, Unisex Long Sleeve T-Shirt
Minimalist illustration of stacked bourbon barrels on a Long Sleeve T-Shirt.
Woman holding a mug in a cozy cafe setting
Aged Oak | No. 301
Unisex Long Sleeve T-Shirt $40.00
Aged Oak | No. 301, Unisex T-Shirt
Minimalist illustration of stacked bourbon barrels on a Short Sleeve T-Shirt.
Man sitting on a leather couch in a room with brick walls and large windows.
Aged Oak | No. 301
Unisex T-Shirt $35.00
Twin Prime Balance | No. 300, Unisex Pullover Hoodie
Minimalist Pullover Hoodie featuring the twin prime equation of 149 and 151 forming the number 300.
Man in a white hoodie using a laptop in a modern office setting
Twin Prime Balance | No. 300
Unisex Pullover Hoodie $65.00
Twin Prime Balance | No. 300, Unisex Long Sleeve T-Shirt
Minimalist Long Sleeve T-Shirt featuring the twin prime equation of 149 and 151 forming the number 300.
Person standing on a subway platform with a train arriving in the background
Twin Prime Balance | No. 300
Unisex Long Sleeve T-Shirt $40.00
Twin Prime Balance | No. 300, Eco Tote Bag
Minimalist Tote Bag featuring the twin prime equation of 149 and 151 forming the number 300.
Woman holding books and a tote bag in a library setting
Twin Prime Balance | No. 300
Eco Tote Bag $30.00
Twin Prime Balance | No. 300, Unisex T-Shirt
Minimalist Short Sleeve T-Shirt featuring a mathematical breakdown of the number 300 using prime number sequences.
Man in a loft setting wear the Twin Prime Balance t shirt
Twin Prime Balance | No. 300
Unisex T-Shirt $35.00
Folded Hope | No. 299, Eco Tote Bag
Minimalist geometric illustration of a single paper crane, Tote Bag.
Ichinichi "Peace In The Fold" beige canvas tote bag with red origami crane graphic, held by a Japanese woman in a botanical greenhouse setting.
Folded Hope | No. 299
Eco Tote Bag $30.00
Folded Hope | No. 299, Unisex T-Shirt
Minimalist geometric illustration of a single paper crane, Short Sleeve T-Shirt.
Ichinichi unisex staple t-shirt in ash grey featuring a red origami crane graphic, modeled in a minimalist modern art gallery, Japanese streetwear fashion.
Folded Hope | No. 299
Unisex T-Shirt $35.00
24 Karat | No. 298, Eco Tote Bag
Minimalist illustration of a gold bar, Eco Tote Bag.
Minimalist illustration of a gold bar, Eco Tote Bag.
24 Karat | No. 298
Eco Tote Bag $30.00
24 Karat | No. 298, Unisex T-Shirt
Minimalist illustration of a gold bar, Unisex Short Sleeve T-Shirt.
Man in a yellow shirt standing on a rooftop with a cityscape in the background
24 Karat | No. 298
Unisex T-Shirt $35.00
Lonely Pickle | No. 067, Unisex Pullover Hoodie
Navy hoodie with 'Lonely Pickle' graphic on a white background
Girl wearing a blue hoodie with the Lonely Pickle design
Lonely Pickle | No. 067
Unisex Pullover Hoodie $65.00
Lonely Pickle | No. 067, Unisex Long Sleeve T-Shirt
Blue long-sleeve shirt with 'Lonely Pickle' graphic on a white background
Woman in a 'Lonely Pickle' sweatshirt drinking from a mug in a casual setting.
Lonely Pickle | No. 067
Unisex Long Sleeve T-Shirt $40.00

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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