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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Spring Roll | No. 345, Unisex Pullover Hoodie
Minimalist line art illustration of a fresh spring roll with shrimp and vegetables, featured on a Pullover Hoodie.
Man wearing a gray hoodie with a graphic design, sitting outdoors in a garden setting.
Spring Roll | No. 345
Unisex Pullover Hoodie $65.00
Spring Roll | No. 345, Unisex Long Sleeve T-Shirt
Minimalist line art illustration of a fresh spring roll with shrimp and vegetables, featured on a Long Sleeve T-Shirt.
Person wearing a yellow sweatshirt with a graphic design, standing in front of a colorful mural.
Spring Roll | No. 345
Unisex Long Sleeve T-Shirt $40.00
Spring Roll | No. 345, Unisex T-Shirt
Minimalist line art illustration of a fresh spring roll with shrimp and vegetables, featured on a Short Sleeve T-Shirt.
Person wearing a white t-shirt with a design, green pants, and holding a black backpack in a modern concrete building.
Spring Roll | No. 345
Unisex T-Shirt $35.00
Matcha Martian | No. 344, Unisex Pullover Hoodie
Minimalist line art illustration of a small martian sitting cross-legged holding a matcha bowl, Pullover Hoodie.
Product mockup
Matcha Martian | No. 344
Unisex Pullover Hoodie $65.00
Matcha Martian | No. 344, Unisex Long Sleeve T-Shirt
Minimalist line art illustration of a small martian sitting cross-legged holding a matcha bowl, Long Sleeve T-Shirt.
Person standing in a concrete architectural space holding a rolled-up document.
Matcha Martian | No. 344
Unisex Long Sleeve T-Shirt $40.00
Matcha Martian | No. 344, Unisex T-Shirt
Minimalist line art illustration of a small martian sitting cross-legged holding a matcha bowl, Short Sleeve T-Shirt.
Person wearing a white t-shirt with a graphic design in front of a modern building.
Matcha Martian | No. 344
Unisex T-Shirt $35.00
Sweet Solitude | No. 343, Unisex Pullover Hoodie
Minimalist vector illustration of a single wrapped hard candy centered on a Pullover Hoodie.
Man wearing a white hoodie with a logo and brown pants standing in a modern architectural setting with greenery.
Sweet Solitude | No. 343
Unisex Pullover Hoodie $65.00
Sweet Solitude | No. 343, Unisex Long Sleeve T-Shirt
Minimalist vector illustration of a single wrapped hard candy centered on a Long Sleeve T-Shirt.
Person standing on a rooftop with neon lights and cityscape in the background
Sweet Solitude | No. 343
Unisex Long Sleeve T-Shirt $40.00
Sweet Solitude | No. 343, Unisex T-Shirt
Minimalist vector illustration of a single wrapped hard candy centered on a Short Sleeve T-Shirt.
Man wearing a light green t-shirt with a desert landscape in the background
Sweet Solitude | No. 343
Unisex T-Shirt $35.00
London Underground | No. 342, Unisex Pullover Hoodie
Geometric transit map illustration featured on a comfortable Pullover Hoodie.
Man wearing a green hoodie standing in front of a modern building
London Underground | No. 342
Unisex Pullover Hoodie $65.00
London Underground | No. 342, Unisex Long Sleeve T-Shirt
Minimalist vector lines representing a transit system on a Long Sleeve T-Shirt.
Person standing in a busy urban street at night with neon signs and pedestrians.
London Underground | No. 342
Unisex Long Sleeve T-Shirt $40.00
London Underground | No. 342, Unisex T-Shirt
Abstract geometric line art inspired by the London tube map on a minimalist Short Sleeve T-Shirt.
Man standing on a subway platform with a train in the background
London Underground | No. 342
Unisex T-Shirt $35.00
Onsen Stack | No. 341, Unisex Pullover Hoodie
Minimalist illustration of a stack of folded waffle-weave towels, centered on a Pullover Hoodie.
Person wearing a purple hoodie with a logo in a scenic outdoor setting
Onsen Stack | No. 341
Unisex Pullover Hoodie $65.00
Onsen Stack | No. 341, Unisex Long Sleeve T-Shirt
Minimalist illustration of a stack of folded waffle-weave towels, centered on a Long Sleeve T-Shirt.
Person wearing a long-sleeve shirt with a purple graphic in a modern architectural setting
Onsen Stack | No. 341
Unisex Long Sleeve T-Shirt $40.00
Onsen Stack | No. 341, Unisex T-Shirt
Minimalist illustration of a stack of folded waffle-weave towels, centered on a Short Sleeve T-Shirt.
Person wearing a t-shirt with a purple graphic design in a modern architectural setting
Onsen Stack | No. 341
Unisex T-Shirt $35.00
Silver Scale | No. 340, Unisex Pullover Hoodie
Clean line-art depiction of an open sardine tin, centered on a Pullover Hoodie.
Man wearing a hoodie with a graphic design by a lake and cabin
Silver Scale | No. 340
Unisex Pullover Hoodie $65.00
Silver Scale | No. 340, Unisex Long Sleeve T-Shirt
Minimalist graphic of a tin of sardines in a clean vector style, centered on a Long Sleeve T-Shirt.
Person sitting at a table with a notebook and mug in a modern indoor setting
Silver Scale | No. 340
Unisex Long Sleeve T-Shirt $40.00
Silver Scale | No. 340, Unisex T-Shirt
Minimalist line art illustration of a sardine tin with neatly arranged fish, centered on a Short Sleeve T-Shirt.
Man sitting at a table with a glass of wine, smiling on a terrace with a scenic view.
Silver Scale | No. 340
Unisex T-Shirt $35.00
The Quiet Thief | No. 339, Unisex Pullover Hoodie
Product mockup
Man wearing a white hoodie with a graphic design in a modern indoor setting
The Quiet Thief | No. 339
Unisex Pullover Hoodie $65.00
The Quiet Thief | No. 339, Unisex Long Sleeve T-Shirt
Clean vector-style graphic of a mouse and cheese on a Long Sleeve T-Shirt.
Woman sitting on a wooden bench in a park wearing a yellow shirt with a graphic design.
The Quiet Thief | No. 339
Unisex Long Sleeve T-Shirt $40.00
The Quiet Thief | No. 339, Unisex T-Shirt
Minimalist line art illustration of a small mouse with a wedge of cheese, centered on a Short Sleeve T-Shirt.
Person standing in a neon-lit alleyway with illuminated signs.
The Quiet Thief | No. 339
Unisex T-Shirt $35.00
Vintage Parfum | No. 338, Unisex Pullover Hoodie
Minimalist line drawing of a vintage perfume bottle with an atomizer pump on a white Pullover Hoodie.
Person wearing a maroon hoodie with a lantern design in an art gallery.
Vintage Parfum | No. 338
Unisex Pullover Hoodie $65.00
Vintage Parfum | No. 338, Unisex Long Sleeve T-Shirt
Minimalist line drawing of a vintage perfume bottle with an atomizer pump on a Long Sleeve T-Shirt.
Woman wearing a beige long-sleeve shirt with a graphic design, standing in front of a modern building.
Vintage Parfum | No. 338
Unisex Long Sleeve T-Shirt $40.00
Vintage Parfum | No. 338, Unisex T-Shirt
Minimalist line drawing of a vintage perfume bottle with an atomizer pump on a Short Sleeve T-Shirt.
Woman standing in a bustling city street at night with neon signs and pedestrians.
Vintage Parfum | No. 338
Unisex T-Shirt $35.00

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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