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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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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
PEBKAC Error | No. 375, Unisex Long Sleeve T-Shirt
Hand-written red marker text reading PEBKAC ERROR on a Long Sleeve T-Shirt, technical support humor design.
PEBKAC Error | No. 375, Unisex Long Sleeve T-Shirt
PEBKAC Error | No. 375
Unisex Long Sleeve T-Shirt $40.00
PEBKAC Error | No. 375, Unisex T-Shirt
Hand-written red marker text reading PEBKAC ERROR on a Short Sleeve T-Shirt, minimalist tech-inspired graphic.
Person wearing a black t-shirt with red text and blue jeans standing in front of a cityscape at night.
PEBKAC Error | No. 375
Unisex T-Shirt $35.00
Grandma’s Love Seat | No. 374, Youth T-Shirt
Vintage love seat illustration in a cross-hatch style on a Youth T-Shirt.
Person standing in an urban setting with a building and buses in the background
Grandma’s Love Seat | No. 374
Youth T-Shirt $30.00
Grandma’s Love Seat | No. 374, Eco Tote Bag
Eco Tote Bag featuring a purple and olive cross-hatch illustration of Grandma's 1970s love seat.
Person holding a tote bag with a couch design in an indoor setting
Grandma’s Love Seat | No. 374
Eco Tote Bag $30.00
Grandma’s Love Seat | No. 374, Unisex Pullover Hoodie
A graphic cross-hatch illustration of Grandma's vintage love seat on a Pullover Hoodie.
Man wearing a hoodie with a purple couch graphic in an urban setting
Grandma’s Love Seat | No. 374
Unisex Pullover Hoodie $65.00
Grandma’s Love Seat | No. 374, Unisex Long Sleeve T-Shirt
Detailed cross-hatch drawing of Grandma's purple tufted love seat featured on a Long Sleeve T-Shirt.
Woman standing on a busy city street at night with illuminated signs and pedestrians.
Grandma’s Love Seat | No. 374
Unisex Long Sleeve T-Shirt $40.00
Grandma’s Love Seat | No. 374, Unisex T-Shirt
A cross-hatch ink illustration of Grandma's vintage tufted love seat in purple and olive on a Short Sleeve T-Shirt.
Man wearing a white t-shirt with a purple couch graphic in an art gallery.
Grandma’s Love Seat | No. 374
Unisex T-Shirt $35.00
Forward Motion | No. 373, Eco Tote Bag
Modern amber chevron design in clean brush lines on an Eco Tote Bag.
Person walking outdoors holding a beige tote bag with text and graphics.
Forward Motion | No. 373
Eco Tote Bag $30.00
Forward Motion | No. 373, Youth T-Shirt
Amber winged arrow graphic for youth short sleeve t-shirt with clean brush strokes.
Person wearing a yellow t-shirt with a black backpack standing against a concrete wall.
Forward Motion | No. 373
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.

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Buy any 3 items and the 4th is on us. Calculated automatically at checkout.

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