STPR to Host Its First Corporate Seminar
In an exciting development, STPR Co., Ltd., headquartered in Shibuya, Tokyo, will be hosting its first corporate seminar on July 24-25, 2025. With an impressive total of over 81 million followers across various social media platforms, including the immensely popular 2.5-dimensional idol group 'SutoPuri', this seminar aims to open up new avenues for collaboration and promotional opportunities between companies and 2.5D idol groups.
What are 2.5D Idols?
2.5D idols are a unique phenomenon that differs significantly from VTubers and traditional YouTubers. They primarily engage with their fans through illustrations and avatars online but make appearances in real life during events and concerts. This seamless transition between virtual and real worlds is what sets 2.5D idols apart, allowing them to hold live performances while connecting directly with their audience.
One of the significant highlights for STPR has been the 'STPR Family Festival!!' held in April 2025 at notable venues such as Tokyo Dome and Belluna Dome. The festival featured performances by all the groups belonging to the STPR Family, making headlines across numerous media outlets.
Details About the STPR Seminar
The upcoming seminar is designed for companies and advertising agencies interested in exploring collaboration possibilities with 2.5D idols. Companies employing these idols for promotional campaigns have experienced considerable success, especially targeting generations Z and Alpha, as well as family-oriented audiences.
During the seminar, attendees will receive insights from STPR, one of the largest companies in Japan specializing in the support and production of 2.5D idols. The session will cover an introduction to 2.5D idols, the advantages of utilizing them for marketing, case studies, and comprehensive information about the different groups under the STPR banner.
Given the venue capacity, participation will be limited, and a lottery may be held should the number of applications exceed available spots. Interested parties who cannot attend the seminar are welcome to reach out for individual consultations concerning the use of STPR's creators or IP for their promotions.
For inquiries about collaborations or promotions, please fill out the contact form available at
STPR Contact Form.
Featured Groups in the STPR Family
- - SutoPuri: A pioneer group of 2.5D idols with over 4,90 million followers and a staggering 10 billion views on their videos. Their wide-ranging activities include major concerts and NHK's Kouhaku Uta Gassen appearances.
- - Knight X: Formerly known as Knight A, this group achieved rapid success with over 1.1 million followers, renowned for their unique songs and voice performances.
- - AMPTAK x COLORS: With over 1.17 million followers, this multi-talented group has made waves with their game streaming and ASMR performances, leading to numerous sold-out shows.
- - Meteorites: This up-and-coming group is making headlines with rapid follower growth and record-breaking streaming numbers, appealing largely to the younger audience.
- - SneakerStep Prod.STPR MUSIC: A fresh, dynamic group known for its engaging performances and interactive fan experience.
Seminar Overview
- - Date: July 24-25, 2025
- - Location: STPR Co., Ltd., Shibuya Hikarie, 2-21-1 Shibuya, Tokyo
- - Schedule:
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Registration: 12:00 PM – 12:45 PM
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Seminar: 1:00 PM – 2:00 PM
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Individual Meetings: 2:30 PM – 5:00 PM (by appointment)
Seminar Flow
- - Introduction to STPR
- - Overview of 2.5D Idols
- - Benefits of Collaborating with 2.5D Idols
- - Group Introductions
- - Showcase of STPR's Achievements
- - Inquiry Process for STPR
If you're involved in influencer marketing or are looking for innovative promotional strategies targeting younger demographics or families, this seminar is an opportunity not to be missed!
About STPR Co., Ltd.
Founded on June 15, 2018, STPR operates as a comprehensive entertainment production company with a mission to create engaging content that transcends dimensions. With a focus on developing 2.5D idol groups and managing original music labels, STPR is leading the charge in the world of entertainment by combining unique talents and innovative marketing strategies. Learn more at
STPR Official Website.