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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

Resonance Evolution | No. 368, Unisex Long Sleeve T-Shirt

Technical illustration showing toothbrush evolution in black ink on a Long Sleeve T-Shirt.

Woman walking down a street in an urban setting with shops and posters.

Resonance Evolution | No. 368
Unisex Long Sleeve T-Shirt $40.00

Resonance Evolution | No. 368, Unisex T-Shirt

Minimalist digital illustration of a manual toothbrush and electric toothbrush side-by-side on a Short Sleeve T-Shirt.

Man wearing a white t-shirt with toothbrush designs in an urban setting

Resonance Evolution | No. 368
Unisex T-Shirt $35.00

A Lonesome Berry | No. 367, Youth T-Shirt

A detailed hand-drawn color pencil illustration of a single isolated blueberry with visible waxy texture on a Youth T-Shirt.

Person wearing a dark blue t-shirt with a graphic design in a museum setting with dinosaur exhibits.

A Lonesome Berry | No. 367
Youth T-Shirt $30.00

A Lonesome Berry | No. 367, Unisex Pullover Hoodie

A detailed hand-drawn color pencil illustration of a single isolated blueberry with visible waxy texture on a Pullover Hoodie.

Person wearing a hoodie with a blueberry design in an urban setting with neon lights.

A Lonesome Berry | No. 367
Unisex Pullover Hoodie $65.00

A Lonesome Berry | No. 367, Unisex Long Sleeve T-Shirt

A detailed hand-drawn color pencil illustration of a single isolated blueberry with visible waxy texture on a Long Sleeve T-Shirt.

Man wearing a navy blue sweatshirt with a blueberry design in a workshop setting

A Lonesome Berry | No. 367
Unisex Long Sleeve T-Shirt $40.00

A Lonesome Berry | No. 367, Unisex T-Shirt

A detailed hand-drawn color pencil illustration of a single isolated blueberry with visible waxy texture on a Short Sleeve T-Shirt.

Person wearing a light blue t-shirt with a blueberry design in a modern indoor setting

A Lonesome Berry | No. 367
Unisex T-Shirt $35.00

A Lonesome Berry | No. 367, Eco Tote Bag

A detailed hand-drawn color pencil illustration of a single isolated blueberry with visible waxy texture on an Eco Tote Bag.

Man holding a tote bag with a design in an art gallery

A Lonesome Berry | No. 367
Eco Tote Bag $30.00

Peak Sight | No. 366, Youth T-Shirt

Marker illustration of a cat head wearing goggles reflecting mountains on a Youth Short Sleeve T-Shirt.

Woman holding a mug on a wooden deck with mountains in the background

Peak Sight | No. 366
Youth T-Shirt $30.00

Peak Sight | No. 366, Unisex Pullover Hoodie

A calico cat head graphic with black ski goggles reflecting a sunlit mountain range on a Pullover Hoodie.

Woman in a gray hoodie with a cat graphic, holding a coffee cup, on a wooden deck with skis and mountains in the background.

Peak Sight | No. 366
Unisex Pullover Hoodie $65.00

Peak Sight | No. 366, Unisex Long Sleeve T-Shirt

Marker art of a calico cat head in black ski goggles reflecting blue and purple mountains on a Long Sleeve T-Shirt.

Man standing in a vibrant Japanese street at night with colorful lanterns and signs.

Peak Sight | No. 366
Unisex Long Sleeve T-Shirt $40.00

Peak Sight | No. 366, Unisex T-Shirt

Front view marker illustration of a calico cat head wearing black ski goggles with a purple mountain reflection on a Short Sleeve T-Shirt.

Woman standing in a vibrant street scene with illuminated signs and lanterns

Peak Sight | No. 366
Unisex T-Shirt $35.00

One Year | No. 365, Youth T-Shirt

Distressed red Japanese hanko stamp of the kanji for One Year on a white Youth T-Shirt.

Person standing on a rooftop overlooking a densely populated neighborhood with mountains in the background.

One Year | No. 365
Youth T-Shirt $30.00

One Year | No. 365, Unisex Pullover Hoodie

Distressed red Japanese hanko stamp of the kanji for One Year on a white Pullover Hoodie.

Person walking through a vibrant alleyway with illuminated signs and lanterns.

One Year | No. 365
Unisex Pullover Hoodie $65.00

One Year | No. 365, Unisex Long Sleeve T-Shirt

Distressed red Japanese hanko stamp of the kanji for One Year on a white Long Sleeve T-Shirt.

Man walking on a street at night with neon signs and people in the background

One Year | No. 365
Unisex Long Sleeve T-Shirt $40.00

One Year | No. 365, Unisex T-Shirt

Distressed red Japanese hanko stamp of the kanji for One Year on a white Short Sleeve T-Shirt.

Woman standing in an art gallery wearing a t-shirt with text and black pants.

One Year | No. 365
Unisex T-Shirt $35.00

Beeper | No. 364, Youth T-Shirt

A marker illustration of a classic pager beeper in black and grey, centered on a Youth T-Shirt.

Person wearing a blue t-shirt with a graphic design, sitting in a room with vintage record player and books.

Beeper | No. 364
Youth T-Shirt $30.00

Beeper | No. 364, Unisex Pullover Hoodie

A marker illustration of a classic pager beeper in black and grey, centered on a Pullover Hoodie.

Man standing on a concrete ledge with modern architectural buildings in the background

Beeper | No. 364
Unisex Pullover Hoodie $65.00

Beeper | No. 364, Unisex Long Sleeve T-Shirt

A marker illustration of a classic pager beeper in black and grey, centered on a Long Sleeve T-Shirt.

Person sitting at a table with a coffee cup in a room with vintage audio equipment.

Beeper | No. 364
Unisex Long Sleeve T-Shirt $40.00

Beeper | No. 364, Unisex T-Shirt

A marker illustration of a classic pager beeper in black and grey, centered on a Short Sleeve T-Shirt.

Man holding a coffee cup in a cozy bar setting with neon signs and vintage decor.

Beeper | No. 364
Unisex T-Shirt $35.00

Bad Ideas | No. 363, Youth T-Shirt

Youth T-Shirt featuring a smudged charcoal sketch exploring the concept of Bad Ideas.

Person sitting on a bench in a park with city skyline in the background

Bad Ideas | No. 363
Youth T-Shirt $30.00

Bad Ideas | No. 363, Unisex Pullover Hoodie

Textured charcoal artwork with smudges and expressive strokes on a Pullover Hoodie.

Person wearing a hoodie with 'BAD IDEAS' text, leaning against a wall in an urban setting.

Bad Ideas | No. 363
Unisex Pullover Hoodie $65.00

Bad Ideas | No. 363, Unisex Long Sleeve T-Shirt

Raw charcoal sketch with smudged textures and artistic charcoal dust on a Long Sleeve T-Shirt.

Man wearing a gray jacket and black pants standing in a room with concrete walls and a window.

Bad Ideas | No. 363
Unisex Long Sleeve T-Shirt $40.00

Bad Ideas | No. 363, Unisex T-Shirt

Charcoal sketch illustration with heavy smudging and textural charcoal marks on a Short Sleeve T-Shirt.

Person wearing a 'Bad Ideas' shirt standing in front of colorful murals.

Bad Ideas | No. 363
Unisex T-Shirt $35.00

Warmth Of Home | No. 362, Youth T-Shirt

Child-sized t-shirt featuring a marker illustration of apple pie with a scoop of vanilla ice cream.

Person sitting on a wooden floor in a room with a tatami mat floor and a window.

Warmth Of Home | No. 362
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.