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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

Heavy Sun | No. 474, Youth T-Shirt

A clean digital mock-up of a Youth T-Shirt featuring a full color ink wash illustration of a single drooping sunflower on the front.

Heavy Sun | No. 474, Youth T-Shirt

Heavy Sun | No. 474
Youth T-Shirt $30.00

Heavy Sun | No. 474, Unisex Pullover Hoodie

A clean digital mock-up of a Pullover Hoodie featuring a full color ink wash illustration of a single drooping sunflower on the front.

Heavy Sun | No. 474, Unisex Pullover Hoodie

Heavy Sun | No. 474
Unisex Pullover Hoodie $65.00

Heavy Sun | No. 474, Unisex Long Sleeve T-Shirt

A clean digital mock-up of a Long Sleeve T-Shirt featuring a full color ink wash illustration of a single drooping sunflower on the front.

Heavy Sun | No. 474, Unisex Long Sleeve T-Shirt

Heavy Sun | No. 474
Unisex Long Sleeve T-Shirt $40.00

Heavy Sun | No. 474, Eco Tote Bag

A clean digital mock-up of an Eco Tote Bag featuring a full color ink wash illustration of a single drooping sunflower on the front.

Heavy Sun | No. 474, Eco Tote Bag

Heavy Sun | No. 474
Eco Tote Bag $30.00

Heavy Sun | No. 474, Unisex T-Shirt

A clean digital mock-up of a Short Sleeve T-Shirt featuring a full color ink wash illustration of a single drooping sunflower on the front.

Heavy Sun | No. 474, Unisex T-Shirt

Heavy Sun | No. 474
Unisex T-Shirt $35.00

Worn Tines | No. 473, Oversize T-Shirt

Cross-hatch ink and colored pencil illustration of a well-used rake and fall leaves on an Oversize T-Shirt.

Worn Tines | No. 473, Oversize T-Shirt

Worn Tines | No. 473
Oversize T-Shirt $40.00

Worn Tines | No. 473, Youth T-Shirt

Cross-hatch ink and colored pencil illustration of a well-used rake and fall leaves on a Youth T-Shirt.

Worn Tines | No. 473, Youth T-Shirt

Worn Tines | No. 473
Youth T-Shirt $30.00

Worn Tines | No. 473, Unisex Pullover Hoodie

Cross-hatch ink and colored pencil illustration of a well-used rake and fall leaves on a Pullover Hoodie.

Worn Tines | No. 473, Unisex Pullover Hoodie

Worn Tines | No. 473
Unisex Pullover Hoodie $65.00

Worn Tines | No. 473, Unisex Long Sleeve T-Shirt

Cross-hatch ink and colored pencil illustration of a well-used rake and fall leaves on a Long Sleeve T-Shirt.

Worn Tines | No. 473, Unisex Long Sleeve T-Shirt

Worn Tines | No. 473
Unisex Long Sleeve T-Shirt $40.00

Worn Tines | No. 473, Eco Tote Bag

Cross-hatch ink and colored pencil illustration of a well-used rake and fall leaves on an Eco Tote Bag.

Worn Tines | No. 473, Eco Tote Bag

Worn Tines | No. 473
Eco Tote Bag $30.00

Worn Tines | No. 473, Unisex T-Shirt

Cross-hatch ink and colored pencil illustration of a well-used rake and fall leaves on a Short Sleeve T-Shirt.

Worn Tines | No. 473, Unisex T-Shirt

Worn Tines | No. 473
Unisex T-Shirt $35.00

Quiet Purpose | No. 472, Oversize T-Shirt

Oversize T-Shirt with sumi-e ink wash Ikigai kanji and abstract intersecting brushstrokes

Quiet Purpose | No. 472, Oversize T-Shirt

Quiet Purpose | No. 472
Oversize T-Shirt $40.00

Quiet Purpose | No. 472, Youth T-Shirt

Youth T-Shirt with sumi-e ink wash Ikigai kanji and abstract intersecting brushstrokes

Quiet Purpose | No. 472, Youth T-Shirt

Quiet Purpose | No. 472
Youth T-Shirt $30.00

Quiet Purpose | No. 472, Unisex Pullover Hoodie

Pullover Hoodie with sumi-e ink wash Ikigai kanji and abstract intersecting brushstrokes

Quiet Purpose | No. 472, Unisex Pullover Hoodie

Quiet Purpose | No. 472
Unisex Pullover Hoodie $65.00

Quiet Purpose | No. 472, Unisex Long Sleeve T-Shirt

Long Sleeve T-Shirt with sumi-e ink wash Ikigai kanji and abstract intersecting brushstrokes

Quiet Purpose | No. 472, Unisex Long Sleeve T-Shirt

Quiet Purpose | No. 472
Unisex Long Sleeve T-Shirt $40.00

Quiet Purpose | No. 472, Eco Tote Bag

Eco Tote Bag with sumi-e ink wash Ikigai kanji and abstract intersecting brushstrokes

Quiet Purpose | No. 472, Eco Tote Bag

Quiet Purpose | No. 472
Eco Tote Bag $30.00

Quiet Purpose | No. 472, Unisex T-Shirt

Short Sleeve T-Shirt with sumi-e ink wash Ikigai kanji and abstract intersecting brushstrokes

Quiet Purpose | No. 472, Unisex T-Shirt

Quiet Purpose | No. 472
Unisex T-Shirt $35.00

Diner Pair | No. 471, Oversize T-Shirt

Marker illustration of a messy squeezy ketchup and mustard bottle pair on an Oversize T-Shirt.

Diner Pair | No. 471, Oversize T-Shirt

Diner Pair | No. 471
Oversize T-Shirt $40.00

Diner Pair | No. 471, Youth T-Shirt

Marker illustration of a messy squeezy ketchup and mustard bottle pair on a Youth T-Shirt.

Diner Pair | No. 471, Youth T-Shirt

Diner Pair | No. 471
Youth T-Shirt $30.00

Diner Pair | No. 471, Unisex Pullover Hoodie

Marker illustration of a messy squeezy ketchup and mustard bottle pair on a Pullover Hoodie.

Diner Pair | No. 471, Unisex Pullover Hoodie

Diner Pair | No. 471
Unisex Pullover Hoodie $65.00

Diner Pair | No. 471, Unisex Long Sleeve T-Shirt

Marker illustration of a messy squeezy ketchup and mustard bottle pair on a Long Sleeve T-Shirt.

Diner Pair | No. 471, Unisex Long Sleeve T-Shirt

Diner Pair | No. 471
Unisex Long Sleeve T-Shirt $40.00

Diner Pair | No. 471, Eco Tote Bag

Marker illustration of a messy squeezy ketchup and mustard bottle pair on an Eco Tote Bag.

Diner Pair | No. 471, Eco Tote Bag

Diner Pair | No. 471
Eco Tote Bag $30.00

Diner Pair | No. 471, Unisex T-Shirt

Marker illustration of a messy squeezy ketchup and mustard bottle pair on a Short Sleeve T-Shirt.

A person stands outdoors on dark stone blocks in a modern concrete courtyard, wearing a white graphic T-shirt with a red and yellow bottle print, olive cargo pants, white sneakers, and carrying a black crossbody bag.

Diner Pair | No. 471
Unisex T-Shirt $35.00

Flickering Neon | No. 470, Oversize T-Shirt

Graphic of a buzzing neon diner sign drawn in bright colors on an oversize t-shirt.

A young woman stands in front of a modern glass pavilion with water in the foreground, wearing an oversized white t-shirt with a colorful graphic on the left chest.

Flickering Neon | No. 470
Oversize T-Shirt $40.00

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.