Popular Singer YouTuber Group 'Seijin Dansei 3-nin Gumi' Official Goods EC Site 'Seijin Dansei 3-nin Gumi Official Store' Grand Opens on June 8 (Mon) at 8 PM!

and factory Co., Ltd. (Headquarters: Meguro-ku, Tokyo; President and Representative Director: Rinji Aoki; hereinafter 'and factory') has partnered with the popular singer YouTuber group 'Seijin Dansei 3-nin Gumi' to launch an official goods EC site, 'Seijin Dansei 3-nin Gumi Official Store', with sales starting on June 8, 2026 (Monday) at 8 PM.

At the 'Seijin Dansei 3-nin Gumi Official Store', items that allow fans to enjoy the world of Seijin Dansei 3-nin Gumi in their daily lives will be available, including life-size acrylic stands, phone tabs & straps, and puffy 3D stickers.

[EC Site URL] https://www.seijindansei3-shop.com/ (Scheduled to open on June 8, 2026 at 8 PM)

Main Features of 'Seijin Dansei 3-nin Gumi Official Store'

The official store for the popular group with 421,000 YouTube channel subscribers has opened!

A long-awaited official store for fans. The world of Seijin Dansei 3-nin Gumi is expressed through products that can be displayed (acrylic stands), carried around (phone tabs & straps), and enjoyed by sticking (stickers).

A lineup to display, carry, and stick. Products designed to be enjoyed in daily life, such as life-size acrylic stands, phone tabs & straps, and puffy 3D stickers, are available.

First Wave of Products for Sale (Partial Excerpt)

Phone Tab & Strap

Price: 2,420 yen (tax included)

Life-size Acrylic Stand (Walpurgis / Eruno / Risuru / Nyan Yao Chu)

Price: 2,420 yen each (tax included)

Number of types: 4 types total

An item that is easy to attach to a smartphone for daily use.

Puffy 3D Sticker

Price: 1,480 yen (tax included)

Estimated size: Mounting board A6 size

*Product information and prices are as of the time of publication. Items may sell out depending on sales conditions.

EC Service Overview

Site Name: Seijin Dansei 3-nin Gumi Official Store

Opening Date and Time: June 8, 2026 (Monday) at 8 PM

Sales URL: https://www.seijindansei3-shop.com/

'Seijin Dansei 3-nin Gumi' Official Links

Official Site: https://seijindansei3.com/

YouTube: https://www.youtube.com/@SeijinDansei3

X: https://x.com/SeijinDansei3

<About and factory>

and factory's mission is to 'deliver & to everyday life', providing services that enrich people's lives, and is sincerely engaging with business possibilities in various fields beyond entertainment.

[Company Overview]

and factory Co., Ltd. (https://andfactory.co.jp/)

Representative: President and Representative Director Rinji Aoki

Location: 〒153-0042

Sumitomo Fudosan Aobadai Tower 9F, 3-6-28 Aobadai, Meguro-ku, Tokyo

Established: September 16, 2014

Capital: 70 million yen (as of end of January 2026)

Number of Employees: 128 (as of end of August 2025)

Securities Code: 7035