Celebrating GRe4N BOYZ's New Album with JOYSOUND Collaboration Campaign!

GRe4N BOYZ and JOYSOUND Team Up for an Exciting Campaign!

February 25th, 2026 marked an exciting day for fans of GRe4N BOYZ as the talented vocal group, known for blending their careers in dentistry and music, celebrated their latest album `Ah, Domo. Mata Oai Shimashita ne. Ah..` with a special collaboration campaign alongside JOYSOUND. This unique partnership not only highlights their new release but also provides fans an incredible opportunity to engage in karaoke fun while standing a chance to win exclusive merchandise.

GRe4N BOYZ, comprised of four male members, transformed from the previous name GReeeeN in March 2024. Their new album features remarkable tracks, including `Tenshi to Akuma`, which has captivated audiences as the opening theme for the popular anime `ONE PIECE`. This new phase in their music career is being celebrated brightly, and what better way to do that than to invite their fans to sing their hits at karaoke?

How to Participate in the Campaign

To join the excitement, fans must visit participating karaoke outlets that feature the latest `JOYSOUND X1` and other compatible models. To facilitate your experience, JOYSOUND offers a convenient mobile app, `KyoukuNavi JOYSOUND`, which allows users to select songs using their smartphones as karaoke remotes.

By choosing `Tenshi to Akuma` among other fantastic tracks that can be enjoyed during this promotional period, participants will instantly receive a unique GRe4N BOYZ × JOYSOUND wait screen image—one that is exclusively available for those involved in the campaign. But that’s not all! This campaign also features an exciting double chance lottery where participants can win remarkable prizes. Five lucky winners will take home the latest GRe4N BOYZ Bluetooth speakers while another five winners will receive a bundle of GRe4N BOYZ merchandise, satisfying the ultimate fan experience.

Campaign Details

- Duration: February 25, 2026 (Wed) 11:00 AM – March 31, 2026 (Tue) 11:59 PM
- Qualifying Machines: JOYSOUND X1, JOYSOUND MAX GO, JOYSOUND MAX2, JOYSOUND MAX
- How to Participate: Head to a participating location, utilize the `KyoukuNavi JOYSOUND` app to reserve songs, and acquire your wait screen image. Simultaneously, a form will appear on your screen for you to enter for the double chance prizes. Please remember, individuals can only enter the lottery once for this double chance.

Playlist of Qualifying Songs

- Tenshi to Akuma
- OTAKEBI feat. &TEAM
- Hoshi no Uta
- Ai no Katachi
- Speed
- boyz be
- Sou
- Shiosai no Uta
- N∞XT
- Akaki Gunjou
- weeeek
- OTAKEBI GRe4N BOYZ version

Prizes and Rewards

Participation Gifts

- A unique GRe4N BOYZ × JOYSOUND wait screen image will be awarded to all participants.

Double Chance Prizes

- Prize A: GRe4N BOYZ Bluetooth speakers for 5 lucky winners (EWA Audio A106Pro)
- Prize B: A GRe4N BOYZ merchandise package for another 5 winners, which includes items like MeN mesh tees (BLACK/L) and stylish socks (25-27cm).

Fans should not miss this fantastic opportunity to immerse themselves in the world of GRe4N BOYZ and JOYSOUND, all while making beautiful melodies at their local karaoke spots! Enjoy the collaboration and keep the music alive!