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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Pufferfish | No. 193, Eco Tote Bag
Green stippled pufferfish illustration with bright blue eyes, calm minimalist composition.
Green stippled pufferfish illustration with bright blue eyes, calm minimalist composition.
Pufferfish | No. 193
Eco Tote Bag $30.00
Pufferfish | No. 193, Unisex T-Shirt
Stippled green illustration of a pufferfish with bright blue eyes, minimalist and softly textured.
Ichinichi unisex staple t-shirt in heather ice blue featuring a minimalist pufferfish (fugu) illustration, worn by a male model in a modern art gallery setting, Japanese streetwear style.
Pufferfish | No. 193
Unisex T-Shirt $35.00
Matcha Bar | No. 192, Eco Tote Bag
Minimalist illustration of a frozen matcha latte bar on a wooden stick, soft green and warm tones.
Minimalist illustration of a frozen matcha latte bar on a wooden stick, soft green and warm tones.
Matcha Bar | No. 192
Eco Tote Bag $30.00
Matcha Bar | No. 192, Unisex T-Shirt
Minimalist illustration of a frozen matcha latte bar on a wooden stick, soft green tones and simple design.
“Simple is full.” シンプルは満ちている
Matcha Bar | No. 192
Unisex T-Shirt $35.00
Paintball | No. 191, Eco Tote Bag
Product mockup
Product mockup
Paintball | No. 191
Eco Tote Bag $30.00
Paintball | No. 191, Unisex T-Shirt
Minimalist abstract paintball splatter in bright colors showing artistic chaos and playful defeat.
Person wearing a dark gray t-shirt with colorful abstract design in an indoor setting
Paintball | No. 191
Unisex T-Shirt $35.00
Nail Polish | No. 190, Eco Tote Bag
Bright green nail polish dripping from a brush into a small open bottle, minimalist and expressive.
Bright green nail polish dripping from a brush into a small open bottle, minimalist and expressive.
Nail Polish | No. 190
Eco Tote Bag $30.00
Nail Polish | No. 190, Unisex T-Shirt
Minimalist illustration of bright green nail polish dripping from a brush above an open bottle, simple and modern.
Person standing in an industrial setting with large machinery
Nail Polish | No. 190
Unisex T-Shirt $35.00
Salted | No. 189, Eco Tote Bag
Hand-drawn yellow “Salted” text melting at the bottom in a cartoon butter-inspired style.
Hand-drawn yellow “Salted” text melting at the bottom in a cartoon butter-inspired style.
Salted | No. 189
Eco Tote Bag $30.00
Salted | No. 189, Unisex T-Shirt
Cartoon-style yellow word “Salted” with black outline melting toward the bottom, inspired by butter and warmth.
“Even stillness can melt.” 静けさも溶ける
Salted | No. 189
Unisex T-Shirt $35.00
Traffic Cone | No. 188, Eco Tote Bag
Minimalist illustration of a single orange traffic cone representing stability and function.
Minimalist illustration of a single orange traffic cone representing stability and function.
Traffic Cone | No. 188
Eco Tote Bag $30.00
Traffic Cone | No. 188, Unisex T-Shirt
Minimalist illustration of a single orange traffic cone symbolizing calm reliability and balance in motion.
Man wearing a t-shirt with a traffic cone design on a rooftop at sunset.
Traffic Cone | No. 188
Unisex T-Shirt $35.00
Go Kart Tokyo | No. 187, Eco Tote Bag
Simple illustration of a single go-kart driving on a Tokyo street, minimalist and softly lit.
Simple illustration of a single go-kart driving on a Tokyo street, minimalist and softly lit.
Go Kart Tokyo | No. 187
Eco Tote Bag $30.00
Go Kart Tokyo | No. 187, Unisex T-Shirt
Minimalist illustration of a go-kart driving on a Tokyo street with soft lighting and urban calm.
“Speed is a state of mind.” 速さは心の状態だ
Go Kart Tokyo | No. 187
Unisex T-Shirt $35.00
Shinkansen | No. 186, Eco Tote Bag
Minimal clean illustration of a Shinkansen bullet train nose drawn in soft curves, symbolizing movement and precision.
Minimal clean illustration of a Shinkansen bullet train nose drawn in soft curves, symbolizing movement and precision.
Shinkansen | No. 186
Eco Tote Bag $30.00
Shinkansen | No. 186, Unisex T-Shirt
Minimalist illustration of the nose of a Shinkansen bullet train, clean lines and smooth curves symbolizing speed and calm.
“Fast, but never rushed.” 速いけれど、焦らない
Shinkansen | No. 186
Unisex T-Shirt $35.00
Octopus Sushi | No. 185, Eco Tote Bag
Gentle color pencil drawing of a single octopus sushi piece on a plate, minimalist and soft in tone.
Gentle color pencil drawing of a single octopus sushi piece on a plate, minimalist and soft in tone.
Octopus Sushi | No. 185
Eco Tote Bag $30.00
Octopus Sushi | No. 185, Unisex T-Shirt
Color pencil illustration of a single piece of octopus sushi on a small plate, soft textures and minimalist composition.
“Small things carry great care.” 小さなものに大きな心
Octopus Sushi | No. 185
Unisex T-Shirt $35.00
Stacked Boards | No. 184, Eco Tote Bag
Illustration of three vertically stacked skateboards — anime, checkered swirl, and monster mouth — in a minimalist composition.
Illustration of three vertically stacked skateboards — anime, checkered swirl, and monster mouth — in a minimalist composition.
Stacked Boards | No. 184
Eco Tote Bag $30.00
Stacked Boards | No. 184, Unisex T-Shirt
Minimalist illustration of three skateboards stacked vertically on a wall — one anime-inspired, one black-and-white checkered with swirls, one with a monster mouth smiling.
“Art never waits its turn.” アートは順番を待たない
Stacked Boards | No. 184
Unisex T-Shirt $35.00
Good Things Ahead | No. 183, Eco Tote Bag
Hand-drawn “Good Things Ahead” in minimalist lettering, representing gentle hope and positive thinking.
Hand-drawn “Good Things Ahead” in minimalist lettering, representing gentle hope and positive thinking.
Good Things Ahead | No. 183
Eco Tote Bag $30.00
Good Things Ahead | No. 183, Unisex T-Shirt
Handwritten phrase “Good Things Ahead” in simple minimalist lettering, symbolizing optimism and calm forward movement.
“Small steps forward are still forward.” 小さな一歩も前進だ
Good Things Ahead | No. 183
Unisex T-Shirt $35.00
Polka Dot Mushroom | No. 165, Eco Tote Bag
Product mockup
Product mockup
Polka Dot Mushroom | No. 165
Eco Tote Bag $30.00
Social Battery | No. 007, Eco Tote Bag
Product mockup
Product mockup
Social Battery | No. 007
Eco Tote Bag $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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