World Fit's Dark Boxing Studio "b-monster" Collaborates with ABEMA's Popular Dating Reality Show "Shuffle Island Season 7"

World Fit Co., Ltd. (headquartered in Shibuya, Tokyo; CEO: Daiki Takashiro; hereinafter "World Fit"), a company dedicated to delivering new lifestyles that enrich people's lives and aiming to become the "No.1 Well-being Company in the world," will launch a special collaborative program between its dark boxing studio "b-monster" and ABEMA's popular dating reality show "Shuffle Island Season 7."

"b-monster" is a fitness studio offering an extraordinary experience where participants perform boxing and exercise routines in complete darkness, synchronized with loud music and spotlight effects.

This collaboration uniquely combines the resort-like atmosphere, exhilarating mood, and sense of escapism characteristic of "Shuffle Island" with b-monster's signature dark environment, powerful music, lighting effects, and dynamic performance—creating a special program that allows participants to fully immerse themselves in the show's world.

The session will feature the theme song and ending song of "Shuffle Island," along with curated music tracks personally selected by participants of "Shuffle Island Season 7," crafting an environment that authentically recreates the show's atmosphere. By surrendering to the music in total darkness and engaging in intense physical movement, participants will enjoy an unparalleled sense of immersion and emotional release unlike any traditional fitness experience.

Additionally, the event will include special activities featuring cast members from the show, exclusive on-site experiences for attendees, and limited-edition collaborative merchandise.

Program Overview

A special program featuring six b-monster performers and four past participants from "Shuffle Island" seasons.

Participants on July 18 and August 29 will receive an exclusive collaborative T-shirt.

Event Dates:

・July 18, 2026 (Sat) 14:15–15:10

An (Season 6), Kaho (Season 6), Shin (Season 6), Hyuga (Season 5)

・August 11, 2026 (Tue) 12:50–13:45

Maika (Season 6), Fina (Season 6), Sekai (Season 6), Yuta (Season 6)

・August 29, 2026 (Sat) 14:15–15:10

Mirei (Season 6), Kyoka (Season 5), Sekai (Season 6), Shin (Season 6)

Venue:

Shinjuku Studio

5F, Shinjuku Kaleido Building, 7-1-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023

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A limited-time collaborative program featuring music selected by participants of "Shuffle Island Season 7" as their "favorite tracks to listen to during exercise."

Dates: July 19, 2026 (Sun) – August 28, 2026 (Fri)

Venues:

Ginza Studio

9F/10F, Clover GINZA, 2-8-12 Ginza, Chuo-ku, Tokyo 104-0061

Umeda Studio

3F/4F, Urban Terrace Chayamachi A Building, 15-22 Chayamachi, Kita-ku, Osaka 530-0013

For reservation methods and detailed program information, please visit the link below:

https://www.b-monster.jp/news/

*Program content is subject to change without prior notice.

ABEMA "Shuffle Island Season 7" Program Overview

Preview video: https://youtu.be/o9JtGQGYgKo

Episode 1

Broadcast date and time: July 7, 2026 (Tue) 9:00 PM JST

Channel: ABEMA SPECIAL

Streaming URL: https://abema.tv/channels/abema-special/slots/C9q1ASUDQXs92P

About "b-monster"

b-monster is a boxing and fitness experience held in complete darkness, allowing participants to focus entirely on themselves and simultaneously feel excitement, liberation, fulfillment, and achievement.

It offers an extraordinary form of entertainment—intense physical activity in total darkness, fully immersed in loud music—that cannot be experienced at any other gym.

Currently operating seven studios across Japan, centered in Tokyo, Nagoya, and Osaka, b-monster plans further nationwide expansion in the future. (As of June 2026)

・Studio locations:

b-monster GINZA / b-monster OMOTESANDO / b-monster SHINJUKU / b-monster IKEBUKURO / b-monster UMEDA / b-monster NAGOYA / b-monster TACHIKAWA

・Official website: https://www.b-monster.jp/

About World Fit Co., Ltd.

Under the vision of becoming the "No.1 Well-being Company in the world," World Fit aims to enhance people's physical and mental well-being through fitness and contribute to building a society where everyone can realize their full potential.

We are committed to more than just providing fitness opportunities—we strive to grow together with our customers, business partners, franchisees, employees, and local communities, co-creating a future of shared well-being.

Our diverse well-being business portfolio includes over 170 personal training gyms nationwide under the brand "BEYOND Life Style GYM," dark boxing studio "b-monster," machine Pilates studio "KASANE," and fitness apparel brand "CRONOS." (As of June 2026)

・Official website: https://world-fit.co.jp/

About "Shuffle Island"

"Shuffle Island" is a popular dating reality show streamed on ABEMA.

Set on tropical resort islands, the show follows men and women as they travel between multiple islands in search of love. Its liberating atmosphere, unpredictable developments, and emotionally charged romantic dynamics have earned widespread popularity among viewers.

Through this collaboration, the unique world of "Shuffle Island" will be integrated into b-monster's distinctive dark boxing experience, offering a fresh form of entertainment.

Future Initiatives

Through this collaboration with "Shuffle Island," b-monster aims to create new experiential value by fusing fitness with entertainment.

Moving forward, we will actively pursue collaborations with music, brands, culture, and content to establish b-monster not merely as a fitness facility, but as an entertainment space that moves emotions and liberates instincts—continuously delivering innovative fitness experiences.