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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Evergreen Drift | No. 380, Youth T-Shirt
Bright green marker-style pine tree graphic with text on a Youth Short Sleeve T-Shirt.
Person wearing a green t-shirt with a graphic design in a modern indoor setting
Evergreen Drift | No. 380
Youth T-Shirt $30.00
Evergreen Drift | No. 380, Unisex T-Shirt
Bold marker illustration of a pine air freshener with "New Car Smell" text on a Short Sleeve T-Shirt.
Person standing in front of a colorful mural on a city street
Evergreen Drift | No. 380
Unisex T-Shirt $35.00
Evergreen Drift | No. 380, Unisex Long Sleeve T-Shirt
Forest green and brown marker art of an air freshener with typography on a Long Sleeve T-Shirt.
Woman wearing a green sweatshirt with a tree graphic inside a car.
Evergreen Drift | No. 380
Unisex Long Sleeve T-Shirt $40.00
Iron Discipline | No. 379, Eco Tote Bag
Kettlebell pencil illustration with yellow handle printed on a natural Eco Tote Bag.
Man holding a tote bag with a kettlebell design under a bridge.
Iron Discipline | No. 379
Eco Tote Bag $30.00
Iron Discipline | No. 379, Youth T-Shirt
Detailed pencil sketch of a kettlebell with yellow grip on a soft Youth T-Shirt.
Person wearing a black t-shirt with a kettlebell graphic on a Venice Beach boardwalk.
Iron Discipline | No. 379
Youth T-Shirt $30.00
Iron Discipline | No. 379, Unisex Pullover Hoodie
Raw pencil sketch of a kettlebell with yellow accents on a premium Pullover Hoodie.
Person standing in a graffiti-covered urban area with colorful lights
Iron Discipline | No. 379
Unisex Pullover Hoodie $65.00
Iron Discipline | No. 379, Unisex Long Sleeve T-Shirt
Hand-drawn kettlebell with yellow grip and carved numbers on a Long Sleeve T-Shirt.
Man wearing a gray long-sleeve shirt with a kettlebell design in a gym setting
Iron Discipline | No. 379
Unisex Long Sleeve T-Shirt $40.00
Iron Discipline | No. 379, Unisex T-Shirt
Textured cross-hatch pencil sketch of a kettlebell with yellow handle on a Short Sleeve T-Shirt.
Man wearing a t-shirt with a kettlebell design in an industrial setting
Iron Discipline | No. 379
Unisex T-Shirt $35.00
Sweet Paradox | No. 378, Eco Tote Bag
Minimalist marker illustration of a bird's eye view pizza with pineapple rings on an Eco Tote Bag.
Woman holding a tote bag with a design in an urban setting
Sweet Paradox | No. 378
Eco Tote Bag $30.00
Sweet Paradox | No. 378, Youth T-Shirt
Minimalist marker illustration of a bird's eye view pizza with pineapple rings on a Youth T-Shirt.
Person standing next to a Pac-Man arcade machine in an arcade setting with neon lights.
Sweet Paradox | No. 378
Youth T-Shirt $30.00
Sweet Paradox | No. 378, Unisex Pullover Hoodie
Minimalist marker illustration of a bird's eye view pizza with pineapple rings on a Pullover Hoodie.
Man sitting in a cozy room holding a mug, wearing a hoodie with a pizza design.
Sweet Paradox | No. 378
Unisex Pullover Hoodie $65.00
Sweet Paradox | No. 378, Unisex Long Sleeve T-Shirt
Minimalist marker illustration of a bird's eye view pizza with pineapple rings on a Long Sleeve T-Shirt.
Person wearing a gray long-sleeve shirt with a logo and blue jeans standing against a brick wall.
Sweet Paradox | No. 378
Unisex Long Sleeve T-Shirt $40.00
Sweet Paradox | No. 378, Unisex T-Shirt
Minimalist marker illustration of a bird's eye view pizza with pineapple rings on a Short Sleeve T-Shirt.
Man standing in an art gallery wearing a beige t-shirt with a logo and dark pants.
Sweet Paradox | No. 378
Unisex T-Shirt $35.00
Late Night Run | No. 377, Eco Tote Bag
Minimalist color pencil illustration of a beer can and diaper on an Eco Tote Bag.
Man holding a tote bag with a design in a room with large windows and a wooden table.
Late Night Run | No. 377
Eco Tote Bag $30.00
Late Night Run | No. 377, Unisex Pullover Hoodie
Detailed color pencil illustration of a beer can and diaper on a Pullover Hoodie.
Man wearing a pink hoodie with a graphic design, sitting outdoors in a park-like setting.
Late Night Run | No. 377
Unisex Pullover Hoodie $65.00
Late Night Run | No. 377, Unisex Long Sleeve T-Shirt
Textured color pencil graphic of a beer can and diaper on a Long Sleeve T-Shirt.
Woman wearing a gray sweatshirt with a graphic design in a modern indoor setting
Late Night Run | No. 377
Unisex Long Sleeve T-Shirt $40.00
Late Night Run | No. 377, Unisex T-Shirt
Hand-drawn color pencil illustration of a beer can and a diaper on a white Short Sleeve T-Shirt.
Woman wearing a pink t-shirt with a graphic design, standing under a stone archway in a park.
Late Night Run | No. 377
Unisex T-Shirt $35.00
Instant Memory | No. 376, Eco Tote Bag
Marker illustration of a 1970s instant camera with a rainbow stripe and flash, centered on an Eco Tote Bag.
Woman in a blue dress holding a beige tote bag with a design, standing in front of a building at night.
Instant Memory | No. 376
Eco Tote Bag $30.00
Instant Memory | No. 376, Youth T-Shirt
Marker illustration of a 1970s instant camera with a rainbow stripe and flash, centered on a Youth T-Shirt.
Person wearing a t-shirt with a Polaroid camera design on a street in Japan
Instant Memory | No. 376
Youth T-Shirt $30.00
Instant Memory | No. 376, Unisex Pullover Hoodie
Marker illustration of a 1970s instant camera with a rainbow stripe and flash, centered on a Pullover Hoodie.
Man in a white hoodie leaning against a brick wall with a record store sign in the background.
Instant Memory | No. 376
Unisex Pullover Hoodie $65.00
Instant Memory | No. 376, Unisex Long Sleeve T-Shirt
Marker illustration of a 1970s instant camera with a rainbow stripe and flash, centered on a Long Sleeve T-Shirt.
Man standing in front of a large, rusty metal door with a camera around his neck.
Instant Memory | No. 376
Unisex Long Sleeve T-Shirt $40.00
Instant Memory | No. 376, Unisex T-Shirt
Marker illustration of a 1970s instant camera with a rainbow stripe and flash, centered on a Short Sleeve T-Shirt.
Woman walking in a modern architectural setting with plants and concrete walls.
Instant Memory | No. 376
Unisex T-Shirt $35.00
PEBKAC Error | No. 375, Youth T-Shirt
Hand-written red marker text reading PEBKAC ERROR on a Youth Short Sleeve T-Shirt.
Person standing in a colorful, futuristic tunnel with vibrant signage.
PEBKAC Error | No. 375
Youth T-Shirt $30.00
PEBKAC Error | No. 375, Unisex Pullover Hoodie
Hand-written red marker text reading PEBKAC ERROR on a Pullover Hoodie, red scribble graphic.
Man wearing a black hoodie with red text in a neon-lit alleyway
PEBKAC Error | No. 375
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.

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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