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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Please Reboot Me | No. 091, Unisex T-Shirt
Illustration of a slumped robot with blinking red “please reboot me” message.
Person wearing a red t-shirt with a robot design, standing against a concrete wall.
Please Reboot Me | No. 091
Unisex T-Shirt $35.00
Fingers Crossed | No. 090, Unisex T-Shirt
Realistic hand with fingers crossed, drawn in photorealistic detail
Fingers Crossed | No. 090
Unisex T-Shirt $35.00
Spin Cycle | No. 089, Unisex T-Shirt
Abstract line art of a washing machine mid-spin on a minimalist t-shirt
Spin Cycle | No. 089
Unisex T-Shirt $35.00
Lines. Planes. Silence. | No. 088, Unisex T-Shirt
Minimal geometric t-shirt design inspired by Mondrian and I. M. Pei architecture
Lines. Planes. Silence. | No. 088
Unisex T-Shirt $35.00
Heart & Soul | No. 087, Unisex T-Shirt
“Heart & Soul” pairs a delicate heart outline with the handwritten kanji for soul (魂)
Heart & Soul | No. 087
Unisex T-Shirt $35.00
New Moon | No. 086, Unisex T-Shirt
A minimalist graphic of a black moon centered on a heather black shirt
New Moon | No. 086
Unisex T-Shirt $35.00
Conbini Classic | No. 085, Unisex T-Shirt
Minimalist drawing of a Lawson egg salad sandwich with Japanese-style packaging
Woman reading a product label in a grocery store aisle.
Conbini Classic | No. 085
Unisex T-Shirt $35.00
Park Stillness | No. 084, Unisex T-Shirt
Minimalist line drawing of Washington Square Park with a lone figure on a bench
Park Stillness | No. 084
Unisex T-Shirt $35.00
Wild Bloom | No. 083, Unisex T-Shirt
Crosshatched flower blooming alone in bright color on heather prism natural shirt
Wild Bloom | No. 083
Unisex T-Shirt $35.00
Pressed & Folded | No. 082, Unisex T-Shirt
Minimalist line art of a crushed aluminum can in origami style on a soft blue shirt.
Pressed & Folded | No. 082
Unisex T-Shirt $35.00
Sprinkle Situation | No. 080, Unisex T-Shirt
Ice cream cone with two scoops and excessive sprinkles in hand-drawn style
Sprinkle Situation | No. 080
Unisex T-Shirt $35.00
Chain Reaction | No. 079, Unisex T-Shirt
Hand-drawn bicycle cog design printed on Heather Deep Teal t-shirt
Chain Reaction | No. 079
Unisex T-Shirt $35.00
Dial Tone | No. 078, Unisex T-Shirt
Simple line drawing of a vintage rotary telephone in brown and yellow on a Short Sleeve T-Shirt.
A man in a cafe wearing a t shirt with a rotary phone
Dial Tone | No. 078
Unisex T-Shirt $35.00
水 (Water) | No. 076, Unisex T-Shirt
Kanji for water dripping from a faucet in minimalist line art
水 (Water) | No. 076
Unisex T-Shirt $35.00
Everything’s Technicolor | No. 075, Unisex T-Shirt
Abstract colorful art with warped rainbow shapes and chaotic energy on black shirt
Everything’s Technicolor | No. 075
Unisex T-Shirt $35.00
Not My Problem | No. 074, Unisex T-Shirt
Minimalist T-shirt with handwritten Japanese text for “Not My Problem” and line sketch
Woman leaning against a subway wall wearing a white t-shirt with a graphic design.
Not My Problem | No. 074
Unisex T-Shirt $35.00
Reflected Sakura | No. 073, Unisex T-Shirt
Colored pencil drawing of a greenish-blue eye with cherry blossoms reflected in the iris
Reflected Sakura | No. 073
Unisex T-Shirt $35.00
Tokyo Moon | No. 072, Unisex T-Shirt
Illustration of Tokyo skyline with moon phases above in minimalist style
Tokyo Moon | No. 072
Unisex T-Shirt $35.00
Floating Through It | No. 071, Unisex T-Shirt
Marker sketch of a drifting jellyfish in minimalist style
Floating Through It | No. 071
Unisex T-Shirt $35.00
You’re the Proof of Purchase | No. 070, Unisex T-Shirt
Minimalist receipt-style t-shirt with “You’re the Proof of Purchase” text on Heather Dust
You’re the Proof of Purchase | No. 070
Unisex T-Shirt $35.00
“夏” (Summer) | No. 069, Unisex T-Shirt
Minimal design of Japanese kanji for “summer” drawn in brushstroke style
“夏” (Summer) | No. 069
Unisex T-Shirt $35.00
Training for a 10K | No. 068, Unisex T-Shirt
A hand-drawn figure jogging with chaotic thought bubbles trailing behind.
Training for a 10K | No. 068
Unisex T-Shirt $35.00
Lonely Pickle | No. 067, Unisex T-Shirt
Minimalist illustration of a single pickle in a jar, centered on a soft blue t-shirt
Lonely Pickle | No. 067, Unisex T-Shirt
Lonely Pickle | No. 067
Unisex T-Shirt $35.00
Unread Messages | No. 066, Unisex T-Shirt
Minimal line graphic of a message notification symbol with a thoughtful caption
Unread Messages | No. 066
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.

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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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