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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Rice Cereal Treat | No. 414, Unisex Long Sleeve T-Shirt
Marker illustration of a crispy rice cereal treat with melting gooey marshmallow on a Long Sleeve T-Shirt.
Man wearing a green long-sleeve shirt with a graphic design, standing outdoors with trees and benches in the background.
Rice Cereal Treat | No. 414
Unisex Long Sleeve T-Shirt $40.00
Rice Cereal Treat | No. 414, Unisex T-Shirt
Marker illustration of a crispy rice cereal treat with melting gooey marshmallow on a Short Sleeve T-Shirt.
Woman standing in a neon-lit street with various signs in a cityscape
Rice Cereal Treat | No. 414
Unisex T-Shirt $35.00
Ink & Iron | No. 413, Eco Tote Bag
Detailed stippling illustration of a fountain pen nib and wooden barrel on an Eco Tote Bag.
Man walking down a street in an urban setting with a beige tote bag on his shoulder.
Ink & Iron | No. 413
Eco Tote Bag $30.00
Ink & Iron | No. 413, Youth T-Shirt
Detailed stippling illustration of a fountain pen nib and wooden barrel on a Youth T-Shirt.
Person in a dark room with world maps and books, holding a folder.
Ink & Iron | No. 413
Youth T-Shirt $30.00
Ink & Iron | No. 413, Unisex Pullover Hoodie
Detailed stippling illustration of a fountain pen nib and wooden barrel on a Pullover Hoodie.
Person wearing a black hoodie and pants standing in a concrete architectural setting
Ink & Iron | No. 413
Unisex Pullover Hoodie $65.00
Ink & Iron | No. 413, Unisex Long Sleeve T-Shirt
Detailed stippling illustration of a fountain pen nib and wooden barrel on a Long Sleeve T-Shirt.
Man wearing a long-sleeve shirt with a graphic design in a pottery studio.
Ink & Iron | No. 413
Unisex Long Sleeve T-Shirt $40.00
Ink & Iron | No. 413, Unisex T-Shirt
Detailed stippling illustration of a fountain pen nib and wooden barrel on a Short Sleeve T-Shirt.
Woman wearing a brown t-shirt with a graphic design in a pottery studio
Ink & Iron | No. 413
Unisex T-Shirt $35.00
Sweet Nostalgia | No. 412, Eco Tote Bag
Hand-drawn color pencil illustration of a Swedish candy bag tagged Godis showing colorful candy on an Eco Tote Bag.
Woman walking through a cafe holding a tote bag with a visible brand logo.
Sweet Nostalgia | No. 412
Eco Tote Bag $30.00
Sweet Nostalgia | No. 412, Youth T-Shirt
Hand-drawn color pencil illustration of a Swedish candy bag tagged Godis showing colorful candy on a Youth T-Shirt.
Person standing in front of a colorful mural on a street.
Sweet Nostalgia | No. 412
Youth T-Shirt $30.00
Sweet Nostalgia | No. 412, Unisex Pullover Hoodie
Hand-drawn color pencil illustration of a Swedish candy bag tagged Godis showing colorful candy on a Pullover Hoodie.
Person walking on a street with brick buildings and street art in the background
Sweet Nostalgia | No. 412
Unisex Pullover Hoodie $65.00
Sweet Nostalgia | No. 412, Unisex Long Sleeve T-Shirt
Hand-drawn color pencil illustration of a Swedish candy bag tagged Godis showing colorful candy on a Long Sleeve T-Shirt.
Person wearing a dark gray long-sleeve shirt with a colorful graphic and light-colored pants standing in front of traditional wooden architecture.
Sweet Nostalgia | No. 412
Unisex Long Sleeve T-Shirt $40.00
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

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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