1. Idolmaster anniversary offers
2. Exclusive Idolmaster partnerships
3. Municipality collaborations Idolmaster
4. Limited-time Idolmaster promotions
5. Idolmaster 20th year festivities

【アイマス20周年イヤー】「オファマス」オファーいただいた企業・自治体を一部先行してご紹介！［第1弾］　応募期間は10/31(金)まで！ #アイマス20周年イヤー #オファマス #idolmaster https://t.co/Pieeazkz25

— アイドルマスター公式 (@imas_official) October 1, 2025

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The official Twitter account of Idolmaster recently announced the 20th-anniversary celebration of the franchise with the launch of “Offermass,” a campaign where companies and local governments can submit proposals to collaborate with Idolmaster in various projects. The first round of submissions will be accepted until October 31, 2025.

Idolmaster, a popular multimedia franchise that includes video games, anime, and music, has been a significant part of the idol culture in Japan for the past two decades. With a dedicated fan base and a wide range of merchandise and events, Idolmaster has become a powerhouse in the entertainment industry.

The Offermass campaign aims to bring fresh and exciting collaborations to the franchise in its milestone year. Companies and local governments interested in partnering with Idolmaster can submit their proposals through the designated website. The campaign offers a unique opportunity for businesses to connect with the passionate fan base of Idolmaster and create memorable experiences for fans.

The announcement of Offermass has generated a buzz among fans and industry insiders alike, with many eager to see the creative partnerships that will come out of this campaign. The franchise’s 20th anniversary is a significant milestone, and the Offermass campaign is a way to celebrate this occasion in a meaningful and impactful way.

As the deadline for submissions approaches, the anticipation for the collaborations that will be announced continues to grow. Fans of Idolmaster are excited to see how their favorite franchise will expand and evolve through these new partnerships.

Overall, Offermass is a unique and innovative campaign that showcases the enduring popularity and influence of Idolmaster in the entertainment industry. It provides an opportunity for businesses and local governments to connect with a dedicated fan base and create memorable experiences that celebrate the franchise’s 20th anniversary. Fans can look forward to exciting collaborations and projects that will highlight the creativity and talent of Idolmaster in its milestone year.

【アイマス20周年イヤー】「オファマス」オファーいただいた企業・自治体を一部先行してご紹介！［第1弾］　応募期間は10/31(金)まで！ #アイマス20周年イヤー #オファマス #idolmaster

Have you heard the exciting news about the 20th anniversary of the popular idol franchise, Idolmaster? This year marks a significant milestone for Idolmaster, and to celebrate, they have launched the “Offermaster” campaign, inviting companies and local governments to participate in this special event. The application period runs until October 31st, so don’t miss out on this incredible opportunity to be a part of something truly unforgettable.

What is Offermaster?

Offermaster is a unique campaign designed to showcase the collaboration between Idolmaster and various organizations. Companies and local governments that participate in Offermaster will have the chance to work with Idolmaster in creating exciting projects and events that will captivate fans and audiences alike. It’s a fantastic opportunity to engage with a loyal fan base and be a part of the celebration of Idolmaster’s 20th anniversary.

Exciting Partnerships

Idolmaster has already received offers from a variety of companies and local governments eager to be a part of the Offermaster campaign. Some of the partnerships that have been announced include collaborations with leading brands in the entertainment industry and local governments looking to promote tourism and cultural exchange.

One of the highlights of the Offermaster campaign is the opportunity for companies to work directly with Idolmaster in creating unique and innovative projects that will delight fans and showcase the talent and creativity of both parties. It’s a chance to be a part of something truly special and make a lasting impact on the world of entertainment.

How to Participate

If you’re interested in participating in the Offermaster campaign, the process is simple. Just submit your proposal to Idolmaster by the deadline of October 31st. Be sure to include details about your company or local government, your ideas for collaboration, and how you envision working with Idolmaster to create something amazing. Don’t miss this opportunity to be a part of Idolmaster’s 20th-anniversary celebration and showcase your creativity to a global audience.

In Conclusion

The Offermaster campaign is an exciting opportunity for companies and local governments to collaborate with Idolmaster and be a part of something truly special. With the application deadline approaching soon, now is the time to submit your proposal and show the world what you have to offer. Don’t miss out on this chance to be a part of Idolmaster’s 20th-anniversary celebration and make a lasting impact on the world of entertainment. Apply now and get ready to create something amazing with Idolmaster!

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