Are We Still Just "Machines"? [JOYFIT24] Exclusive Character Born from Generative AI Evolves. New Team Name to be Decided by User Vote! Starting July 1st (Wed)

YAMAUCHI Co., Ltd. (Headquarters: Takamatsu City, Kagawa Prefecture / Representative Director: Masashi Okamoto, hereinafter JOYFIT24), which operates the fitness gym "JOYFIT24," is collaborating with AI model Inc. (Headquarters: Minato-ku, Tokyo / President & CEO: Daiki Taniguchi, hereinafter AI model) to evolve their exclusive AI character "JOY MACHINES," created using the latest generative AI technology, into its next generation. A "New Team Name Voting Campaign" will be held on official X (formerly Twitter) from Wednesday, July 1st, 2026, to Monday, July 20th, 2026, where users will vote to decide the new team name.

This is a user-participation project that announces their new beginning (update), breaking free from the inorganic framework of "training equipment" that merely provides functional instruction, and transforming into a partner that resonates with each user's heart.

◾️What are JOY MACHINES? JOY MACHINES are exclusive characters anthropomorphized with the latest AI, based on the characteristics of actual training machines.

They are navigators that intuitively convey correct form and how to use machines, and partners that alleviate beginners' anxieties. They were born to gently support all users in continuing their daily training and to be a strong ally in "becoming the body they desire."

◾️The Path to Evolution Revealed in the Official X Series "JOY MACHINES Voting Secret Story" Prior to the launch of this project, a 5-part manga depicting their inner struggles and resolve was released on official X (formerly Twitter) as "JOY MACHINES Voting Secret Story." It unfolds the drama leading up to the vote for the new team name.

【Official X】 https://x.com/JOYFIT_official

・Part 1 "Birth": Users' aspirations challenging limits imbue machines with soul

・Part 2 "Doubt": Being correct alone isn't enough. Realizing a mismatch in roles

・Part 3 "Resonance": Evolving from instructors to companions

・Part 4 "Discomfort": Feeling a sense of unease about their existence while supporting users

・Part 5 "Naming": Deciding the new team name together with users

Three New Team Name Candidates to Forge a New Future The candidate team names for users to choose from represent three directions for their evolution.

【Option A】JOYON (Joyon) "JOY (joy)" + "ON (operation/switch)". Supporting the joy of training constantly "ON" 24 hours a day!

【Option B】SYNCER (Shinker) "SYNC (synchronization/harmony)" + "Evolution" + "-er (one who does)". A being that synchronizes with your heartbeat, pulse, movements, and even the emotion of "wanting to change," running alongside you towards unseen evolution.

【Option C】FITUS (Fitas) "FIT (fitness/adaptation)" + "US (we)". A team where users and AI characters become one team (US), mutually improving and surpassing ideals to become the best team.

"New Team Name Voting Campaign" Overview and Luxurious Prizes Your vote will shape their future.

Campaign Period: Wednesday, July 1st, 2026 - Monday, July 20th, 2026 (Holiday) until 23:59

How to Participate:

1 Click the "Participate in X Vote Now" button on the special LP or access the official X account.

2 Follow the official JOYFIT24 X account [@JOYFIT_official]

3 Write the naming (A-C) you believe is most suitable as the new team name and "Quote Retweet" the official X voting campaign post.

Official X: https://x.com/JOYFIT_official Special LP: https://joyfit.jp/campaign-lp/joymachines/

Prizes: From those who participate in the vote, a total of 25 winners will be randomly selected to receive luxurious items that enrich daily body care and life. (※Winners will be contacted via DM on the official X account.)

minefit Body Care Gun: 10 winners

Amazon Gift Card worth 10,000 yen: 15 winners

To the Next Stage: The Future Relationship Between "Them" and "You" From the moment the new team name is decided, they will no longer be characters who merely watch over you. By gaining a new identity, they are preparing to approach each of you more actively and emotionally in your daily lives.

In the future, various initiatives to enhance the experience value, such as the release of new visuals and the holding of new campaigns, are planned to be implemented sequentially. Please look forward to the next generation of fitness experience that begins with the new team name, and the story of a new bond with them!

About JOYFIT Fitness Gym

JOYFIT is a comprehensive fitness club brand with over 230 stores nationwide, operating under the concept of "For smiles and health." We offer multiple formats to suit customers' diverse lifestyles and goals.

The main formats are as follows:

JOYFIT: A comprehensive type equipped with studio programs and bathing facilities.

JOYFIT24: A 24-hour machine gym specialized type.

JOYFIT YOGA: A women-only lava hot yoga studio aiming for a beautiful and healthy mind and body.

JOYFIT+ (Joyfit Plus): Adding unprecedented excitement to fitness. Introducing cutting-edge EMS training.

With locally rooted operations and meticulous service, we comprehensively support the healthy lives of everyone from beginners to athletes.

JOYFIT Official Homepage: https://joyfit.jp/

◾️Company Overview

Company Name: YAMAUCHI Co., Ltd.

Headquarters Address: 397 Tamura-cho, Takamatsu City, Kagawa Prefecture 761-8057

Representative: Masashi Okamoto, Representative Director

Established: May 1950

HP: https://y-grp.com/

Inquiries Regarding This Matter

YAMAUCHI Co., Ltd. PR Office

E-mail: wellness-frontier.pr@okamoto-group.co.jp

About AI model

We provide solutions for generating corporate-exclusive AI models, talents, and advertising creatives using generative AI technology. Focusing on the apparel and beauty sectors, we handle everything from optimizing branding for TV commercials and advertisements, generating key visuals for e-commerce, catalogs, and stores, to reducing lead times and costs for product photography. We provide end-to-end support for generative AI utilization, from streamlining production processes to supporting business transformation and in-house production.

Company Overview

AI model Inc.

Headquarters Address: 3F, 2-32-7 Higashi-Azabu, Minato-ku, Tokyo

Representative: Daiki Taniguchi, Representative Director CEO

Established: August 2020

Official HP: https://ai-model.jp

Inquiries

For consultations regarding AI model adoption, various collaborations, etc., please contact us using the form below. https://www.ai-model.jp/contact/