BTS’s V Joins Champion Globally & J.League Invites 220,000 Fans | Weekly Oshikatsu News (Aug 14, 2026)

Here is our roundup of standout corporate oshikatsu (fannish devotion and support for one’s favorite idol, character, or team) marketing and fan business news from the week of August 7 to August 13, 2026.

The complete 18-story edition is available on note in “Weekly Oshikatsu News: August 14, 2026 Issue (in Japanese).” This article presents the key highlights from that report.

This Week’s Highlights

The defining theme of the week was how companies can connect fan enthusiasm directly to the growth of brands, retail stores, and platforms.

Champion tapped V of BTS for a global campaign. Pinterest and SM Entertainment backed fan art and collages through an official collaborative initiative. The convenience store chain Ministop announced a program to use its in-store equipment as “cheering hubs” for fans. Meanwhile, Japan’s professional soccer league, the J.League, rolled out the largest opening promotion in its history, including 220,000 free ticket invitations.

At the same time, a newly released survey revealed that 21.3% of respondents with oshikatsu experience reported having suffered from heat-related illness while engaging in summer fan activities. Going forward, fan businesses cannot simply focus on generating excitement; designing environments where fans can continue participating safely is just as essential.

Brand Faces Have Shifted from “Athletics” to “Culture”

Champion x BTS’s V — Bringing Together Diverse Ideas of a “Champion”

Champion has signed a global partnership with V of BTS. V appears in the brand’s new “True Champion” campaign, joining eight prominent figures active across sports, music, and culture to express the brand’s evolving vision of what makes a modern champion (FASHIONSNAP (in Japanese), Esquire (in Japanese)).

Rather than featuring only athletes in its athletic wear advertising, the brand also cast a K-pop artist. Through this appointment, Champion set out to broaden the fandoms connecting with the brand.

The Oshi Lab Note: Instead of relying solely on the popularity of a single celebrity, Champion builds its brand world by lining up individuals from multiple fields who share common values. That structure offers a useful blueprint for companies planning large-scale ambassador initiatives.

d-anime Store — Reframing a “14th Anniversary” as Being “14 Years Old”

To mark its 14th anniversary, the anime streaming service d-anime Store launched an advertising campaign bringing together twenty 14-year-old characters from multiple series. Built around the shared theme “14 years old. That inner conflict turns into passion,” the campaign weaves characters from different works into a single unified narrative (AdverTimes. (in Japanese)).

The Oshi Lab Note: Fourteen is an awkward anniversary number to promote on its own, and this campaign cleverly translates it into an age everyone has lived through—along with the raw emotions of that time in life. By turning a company-centric milestone into a story fans can relate to personally, the campaign demonstrates strong editorial craft.

Fan Creation and Everyday Shopping Have Become “Spaces for Participation”

Pinterest x SM Entertainment — Turning Fan Art into a Growth Engine

Pinterest and SM Entertainment partnered to launch an official collage contest themed around the girl group Hearts2Hearts. According to newly released domestic search data for Japan, searches for “K-pop fan art” (kpop fan-ato) rose 368% year-over-year, “photocard decoration” (toreka deko, decorating collectible trading cards) grew 77%, and “oshikatsu” climbed 61% (Entameclip (in Japanese)).

DIAGRAMYear-over-Year Search Growth on Pinterest in Japan

+368%: Searches for 'K-pop fan art' compared to the same period last year
+77%: Searches for 'photocard decoration' (toreka deko)
+61%: Searches for 'oshikatsu' (fan support activities)

Source: The Oshi Lab’s summary of the article (data reported via Entameclip)

Fans are shifting from simply receiving content to making, decorating, and sharing it themselves. Companies that hold intellectual property (IP) need a perspective that does not uniformly push away derivative fan works, but instead protects rights while preparing safe, welcoming spaces for fans to participate.

Ministop x CheerSPOT — Convenience Stores Become Cheering Hubs

Ministop, INFORICH, and AdvertisementMind announced that they will run a participatory fan initiative at Ministop convenience stores nationwide across Japan. According to the announcement, the program combines checkout register digital signage, in-store audio broadcasts, beacon notifications, and purchase-receipt contest entries to link everyday shopping with a fan cheering experience (PR TIMES (in Japanese)).

The Oshi Lab Note: What matters here is that rather than building dedicated new venues from scratch, the partner companies are using an existing store network and in-store equipment to deliver a fan experience. The design aims to increase retail sales for businesses and leaves fans with a tangible sense of contributing to their oshi (the person or group they support).

Companies Have a Responsibility to Turn Fervor into a “Safely Sustainable Experience”

In a survey conducted by BRITA Japan, 21.3% of respondents with oshikatsu experience reported having suffered from heat-related illness during summer fan activities. Furthermore, 61.5% said they had intentionally held back on drinking water, citing reasons such as crowded restrooms and not wanting to leave their seats during a live performance (PR TIMES (in Japanese), TV Tokyo (in Japanese)).

Hydration stations, restroom capacity and traffic flow, and clear guidance for waiting lines are not optional extra perks. They are the foundational infrastructure that allows attendees to participate with peace of mind. Companies that plan events carry a responsibility to invest in safety measures just as seriously as they invest in building excitement.

J.League’s Massive Push Breaks Down the Journey of “Becoming a Fan”

J.League — Simultaneously Deploying 220,000 Free Invitations and Over 20 Initiatives

In the first year of its transition to an August season opening, the J.League concentrated and rolled out more than 20 promotional initiatives at once. These included 220,000 free ticket invitations, five television commercials, collaborations with Pokémon and the pop group Travis Japan, terrestrial TV broadcasts, out-of-home (OOH) advertising, and newspaper ads. The catalyst behind this massive push was a sense of urgency that public awareness of the new season-opening schedule remained stuck in the teens as a percentage (AdverTimes. (in Japanese)).

Rather than simply increasing the volume of advertising across the board, the J.League designed distinct touchpoints and messages tailored to three specific stages: people who have never attended a match and have low interest, those who have never attended and have high interest, and occasional spectators with match-attendance experience.

DIAGRAMJ.League’s Stage-by-Stage Audience Touchpoint Design

Never Attended, Low InterestIP collaborations and television commercials to spark interest
Never Attended, High InterestFree invitations and matches at the National Stadium to encourage attendance
Occasional Spectators with Attendance ExperienceDestination stage of the 8→7→3 journey described by J.League

Source: The Oshi Lab’s summary of the article

The Oshi Lab Note: Where are your own prospective fans getting stuck—“don’t know about it,” “interested,” “tried it once,” or “continuing regularly”? Simply breaking the audience journey into distinct stages makes it much easier to see which initiatives are actually needed. We also cover the J.League’s ongoing embrace of oshikatsu in detail in The Oshi Lab’s explainer article.

Editorial Reflections on the Week

Looking across this week’s news, we can see that the fan business is advancing from the stage of “borrowing popular IP to sell products” to the stage of building systems where fans can participate, create, and continue supporting their favorites in everyday life.

At the same time, looking at the heatstroke survey and entertainment company financial results makes it clear that fan enthusiasm alone cannot stabilize a business. A relationship with a fandom only lasts over the long term when safety, supply, revenue streams, and operational structures are properly put in place.

If you are thinking about how to build mechanisms that inspire fans to support your brand, we encourage you to read our guide to oshikatsu marketing design principles alongside this week’s developments.

Weekly Oshikatsu News brings you a weekly roundup of oshikatsu and business developments. The full 18-story edition is published on note (in Japanese). You can browse past issues in our Oshikatsu x News category.