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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Sweet Nostalgia | No. 412, Unisex T-Shirt
Hand-drawn color pencil illustration of a Swedish candy bag tagged Godis showing colorful candy on a Short Sleeve T-Shirt.
Woman sitting on a bench by the beach with palm trees in the background
Sweet Nostalgia | No. 412
Unisex T-Shirt $35.00
Open Heart Open Mind | No. 411, Eco Tote Bag
Continuous gradient line drawing of a heart and mind silhouette on a canvas Eco tote bag.
Open Heart Open Mind | No. 411, Eco Tote Bag
Open Heart Open Mind | No. 411
Eco Tote Bag $30.00
Open Heart Open Mind | No. 411, Youth T-Shirt
Minimalist gradient line graphic of a heart and profile on a Youth T-Shirt.
Open Heart Open Mind | No. 411, Youth T-Shirt
Open Heart Open Mind | No. 411
Youth T-Shirt $30.00
Open Heart Open Mind | No. 411, Unisex Pullover Hoodie
Integrated heart and mind silhouette in a continuous gradient line on a Pullover Hoodie.
Open Heart Open Mind | No. 411, Unisex Pullover Hoodie
Open Heart Open Mind | No. 411
Unisex Pullover Hoodie $65.00
Open Heart Open Mind | No. 411, Unisex Long Sleeve T-Shirt
Abstract gradient line art depicting a human profile and heart on a Long Sleeve T-Shirt.
Open Heart Open Mind | No. 411, Unisex Long Sleeve T-Shirt
Open Heart Open Mind | No. 411
Unisex Long Sleeve T-Shirt $40.00
Open Heart Open Mind | No. 411, Unisex T-Shirt
Continuous gradient line drawing of a heart within a profile silhouette on a Short Sleeve T-Shirt.
Open Heart Open Mind | No. 411, Unisex T-Shirt
Open Heart Open Mind | No. 411
Unisex T-Shirt $35.00
Vermillion Path | No. 410, Eco Tote Bag
A professional digital illustration of red and orange torii gates in clean paint brush style on an Eco Tote Bag.
Tote bag with a design of a Japanese temple gate on a wooden table in front of a traditional building.
Vermillion Path | No. 410
Eco Tote Bag $30.00
Vermillion Path | No. 410, Youth T-Shirt
A professional digital illustration of red and orange torii gates in clean paint brush style on a Youth T-Shirt.
Modern bedroom with cityscape view, bed, and decor elements.
Vermillion Path | No. 410
Youth T-Shirt $30.00
Vermillion Path | No. 410, Unisex Pullover Hoodie
A professional digital illustration of red and orange torii gates in clean paint brush style on a Pullover Hoodie.
Woman in a black outfit with a red logo standing on a staircase in an elegant interior setting.
Vermillion Path | No. 410
Unisex Pullover Hoodie $65.00
Vermillion Path | No. 410, Unisex Long Sleeve T-Shirt
A professional digital illustration of red and orange torii gates in clean paint brush style on a Long Sleeve T-Shirt.
Woman walking through a neon-lit alleyway with various signs in a city street setting.
Vermillion Path | No. 410
Unisex Long Sleeve T-Shirt $40.00
Vermillion Path | No. 410, Unisex T-Shirt
A professional digital illustration of red and orange torii gates in clean paint brush style on a Short Sleeve T-Shirt.
Man wearing a beige t-shirt with a graphic design in an indoor setting with modern architecture.
Vermillion Path | No. 410
Unisex T-Shirt $35.00
Banana Ripening Study | No. 409, Eco Tote Bag
Three-stage banana ripening illustration in cross-hatch pen style on a natural canvas Eco Tote Bag.
Man holding a beige tote bag with banana design in a modern room.
Banana Ripening Study | No. 409
Eco Tote Bag $30.00
Banana Ripening Study | No. 409, Youth T-Shirt
Educational study of three ripening bananas in colorful cross-hatch ink on a Youth T-Shirt.
Person wearing a t-shirt with banana graphic in an outdoor setting
Banana Ripening Study | No. 409
Youth T-Shirt $30.00
Banana Ripening Study | No. 409, Unisex Pullover Hoodie
A vertical cross-hatch pen illustration of ripening bananas on a Pullover Hoodie.
Woman wearing a hoodie with banana design, holding a mug indoors.
Banana Ripening Study | No. 409
Unisex Pullover Hoodie $65.00
Banana Ripening Study | No. 409, Unisex Long Sleeve T-Shirt
A triple banana maturation study in full color cross-hatch ink on a Long Sleeve T-Shirt.
Man wearing a gray t-shirt with banana design, holding a mug, standing indoors.
Banana Ripening Study | No. 409
Unisex Long Sleeve T-Shirt $40.00
Banana Ripening Study | No. 409, Unisex T-Shirt
A vertical illustration of three bananas at different stages of ripeness in cross-hatch pen style on a Short Sleeve T-Shirt.
Man wearing a t-shirt with banana graphic in an indoor garden setting
Banana Ripening Study | No. 409
Unisex T-Shirt $35.00
Global Connection | No. 408, Eco Tote Bag
Graphic marker illustration of US, UK, and EU outlets on an Eco Tote Bag.
Beige tote bag with electrical outlet design on a wooden table with a person holding a cup and a pastry.
Global Connection | No. 408
Eco Tote Bag $30.00
Global Connection | No. 408, Youth T-Shirt
Educational marker style graphic of international plugs on a Youth T-Shirt.
Person leaning against a graffiti-covered wall with a street scene in the background
Global Connection | No. 408
Youth T-Shirt $30.00
Global Connection | No. 408, Unisex Pullover Hoodie
Minimalist marker art of global electrical outlets on a Pullover Hoodie.
Woman wearing a navy blue hoodie with patches by a waterfront.
Global Connection | No. 408
Unisex Pullover Hoodie $65.00
Global Connection | No. 408, Unisex Long Sleeve T-Shirt
Technical marker drawing of three international power outlets on a Long Sleeve T-Shirt.
Person standing in front of a colorful graffiti wall at night
Global Connection | No. 408
Unisex Long Sleeve T-Shirt $40.00
Global Connection | No. 408, Unisex T-Shirt
Marker illustration of US, UK, and EU wall outlets in beige, grey, and white on a Short Sleeve T-Shirt.
Man standing under a concrete overpass wearing a light blue t-shirt and jeans.
Global Connection | No. 408
Unisex T-Shirt $35.00
Tuna Sashimi Donburi | No. 407, Eco Tote Bag
Eco tote bag with a high-contrast stippling illustration of a tuna sashimi bowl.
Person holding a tote bag with a bowl of sushi design against a brick wall.
Tuna Sashimi Donburi | No. 407
Eco Tote Bag $30.00
Tuna Sashimi Donburi | No. 407, Youth T-Shirt
Youth t-shirt featuring a stippling style illustration of a Japanese sashimi bowl.
Person wearing a white t-shirt with a graphic design on a wooden background
Tuna Sashimi Donburi | No. 407
Youth T-Shirt $30.00
Tuna Sashimi Donburi | No. 407, Unisex Pullover Hoodie
Textured stippling graphic of a tuna rice bowl on a comfortable pullover hoodie.
Person wearing a gray hoodie with a food graphic in an urban setting
Tuna Sashimi Donburi | No. 407
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.

Tomorrow's Concept

ichinichi means one day. We release one piece of wearable art every 24 hours. Enter your email to see it first.

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