MILKBOY collaborates with "Brahma Soyogi" produced by Yuki Kaji! Pop-up store at MILKBOY Harajuku main store from 9/11! New designs by Adachi and others are also available!

Milk Co. (Location: Shibuya-ku, Tokyo), which plans, manufactures, and sells men's and women's fashion apparel, will start selling collaborative items with "Soyogi Soyogi" produced by MILKBOY and voice actor Hiroki Kaji at MILKBOY Harajuku MILKBOY Harajuku main store and MILKBOY OFFICIAL ONLINE SHOP from September 11, 2025 (Thursday).

MILKBOY OFFICIAL ONLINE SHOP: https://shop.milk-inc.com/

Bon Soyogi x MILKBOY

Project launched to commemorate the 20th anniversary of Yuki Kaji's voice acting career

Soyogi" is a character created by voice synthesizer software produced by Hiroki Kaji based on his own voice.

This collaboration was developed from "Soyogi Fractal," a project launched to commemorate the 20th anniversary of his voice acting career.

Soyogi Fractal official website: https://soyogi-fractal.com/

For this collaboration, a special illustration of Soyogi wearing MILKBOY by manga artist Adachi Toco will appear as a T-shirt, tote bag, and acrylic key holder set.

SOYOGI x MILKBOY WASHED TEE 11,000 yen / SOYOGI x MILKBOY Tote & Acrylic Keychain Set 11,000 yen (all incl. tax)

MILKBOY's unique design items are also released!

From the popular animal motifs, the "Bear Ear Hoodie" with the logo of this collaboration on the chest and sleeves is now available.

SOYOGI × MILKBOY BEAR HOODIES 30,800 yen (including tax)

Furthermore, this item has been selected as the official performance outfit for Soyogi Sanskrit at the 3D LIVE event "Soyogi EXPO" scheduled to be held at the Tokyo Garden Theater in March 2026.

■Pop-up store will display newly taken photos and original artwork

The "Bon Soyogi x MILKBOY POP-UP SHOP" will open at the MILKBOY Harajuku store from September 11, 2025 (Thursday)!

In addition to sample displays and order-taking of the collaboration items, there will be an exhibition of photographs taken by Yuki Kaji wearing the collaboration items, as well as original drawings by Toco Adachi.

2025.9.11(thu) MILKBOY HARAJUKU POP-UP SHOP OPEN

In addition, an order-taking event will be held at the official online store of MILKBOY from the same day!

During the period, for every order of 20,000 yen including tax, you will receive a set of postcards autographed by Hiroki Kaji and Toco Adachi.

We will keep you updated on the details of the collaboration items and the Harajuku pop-up store on SNS.

MILKBOY OFFICIAL( @milkboy_official https://www.instagram.com/milkboy_official/ ), MILKBOY Harajuku store( @milkboyharajuku https://www.instagram.com /milkboyharajuku/ ).

■Outline of the event

Event name: MILKBOY x Brahma Soyogi POP-UP SHOP

Store ：MILKBOY Harajuku main store

Date ：September 11, 2025 (Thursday) ～ September 16, 2025 (Tuesday) 11:00～20:00

Venue ：MILKBOY Harajuku Main Store

　　　　　　(KY Building 1F, 6-29-3 Jingumae, Shibuya-ku, Tokyo 150-0001)

MILKBOY OFFICIAL ONLINE SHOP ( https://shop.milk-inc.com/ )

Date & Time : Thursday, September 11, 2025 11:00 - Sunday, September 21, 2025 23:59

Sponsor : Milk Co.

Official website: http://milkboy.net/

Company Profile

Company Name ： Milk Co.

Representative: Shingo Yasuda, Representative Director

Location ： 6-29-3 Jingumae, Shibuya-ku, Tokyo 150-0001

Establishment ： April 1970

Business description: Planning, manufacturing and sales of women's and men's fashion apparel

　　　　　 MILK MILKBOY LAND

URL ： https://milk-web.net/about-milk/

For customer inquiries regarding this matter, please contact

MILK Co.

TEL ： 03-3407-9192

Inquiry form: https://milk-web.net/contact/