Understanding Cygames’ strict fan art guidelines for Umamusume: Pretty Derby and how to create compliant content
The Viral Phenomenon and Its Community Guidelines
The international gaming landscape has been thoroughly captivated by Umamusume: Pretty Derby, a horse racing gacha game that transformed from niche interest to global sensation almost overnight. Social media platforms have become flooded with content celebrating these anime horse girls, from hilarious Gold Ship memes to heartfelt discussions about underdog stories like Haru Urara’s inspiring journey.
This explosive popularity has naturally led to an immense wave of fan-created content, with artists, cosplayers, and writers worldwide contributing to the growing ecosystem. However, many international fans diving into this creative space might overlook a crucial aspect: Cygames, the developer behind Umamusume, maintains specific and non-negotiable community guidelines governing how these characters can be portrayed in fan works.
Unlike many anime franchises with more lenient attitudes toward fan content, Umamusume operates within a unique framework that connects directly to real-world racing institutions, living horses, and their owners. This connection creates ethical and legal obligations that directly impact what fans can and cannot create—a reality that separates this franchise from typical anime fan art communities.
Decoding Cygames’ Official Restrictions
Cygames’ official guidelines establish clear boundaries for fan content creation, explicitly prohibiting several categories of material. These restrictions include any content that is sexually explicit, depicts illegal activities, engages with political messaging, infringes upon third-party rights, or portrays the characters in contexts that could damage their real-life counterparts’ reputations.
The prohibition against explicit or sexual content stands as particularly significant, as this represents a departure from many anime communities where such material, while sometimes controversial, often circulates with minimal intervention. For Umamusume, this restriction isn’t merely about maintaining a wholesome brand image—it’s fundamentally tied to respecting the actual racehorses whose identities inspire these characters.
Practical creators should note that ‘explicit’ encompasses more than just overtly sexual content. It includes suggestive poses, compromising situations, or any artwork that sexualizes these characters who represent real animals with living connections to owners, trainers, and fans. This extends to written content as well, including fan fiction that places characters in inappropriate scenarios.
A common misunderstanding involves thinking these rules only apply to commercially sold fan art. In reality, they govern all public distribution, including free social media posts, Patreon content, and even private commissions if they eventually become publicly visible. The guidelines’ scope is comprehensive, designed to protect all stakeholders in the racing ecosystem.
Practical Implications for Content Creators
Navigating these guidelines requires both awareness and strategic planning. Successful Umamusume creators typically focus on several safe content categories: celebrating racing achievements, exploring wholesome character interactions, creating training montages, developing friendship-focused narratives, and producing educational content about the real horses’ histories.
Common mistakes include assuming parody protections apply (they don’t), creating ‘alternate universe’ content that places characters in inappropriate settings, using official assets in ways that suggest endorsement, and underestimating how quickly content spreads beyond initial posting platforms. Even content created as ‘private commissions’ can become public through screenshots or client sharing, creating compliance risks.
Advanced creators have developed effective strategies for working within these boundaries while still producing engaging content. These include focusing on the horses’ actual racing careers for narrative inspiration, creating content that highlights their unique personalities without sexualization, collaborating with other creators to share compliance knowledge, and regularly reviewing Cygames’ official statements for guideline updates.
One particularly successful approach involves educational content that bridges the anime characters with their real-world counterparts. Documentaries about racehorses like Silence Suzuka or Tokai Teio, analysis of famous races, or explorations of training techniques all respect the guidelines while providing genuine value to the community.
The Real-World Connections and Consequences
These stringent guidelines exist primarily to protect the reputations and legacies of the actual racehorses represented in the game, as well as Cygames’ relationships with horse owners, the Japan Racing Association, and various racing institutions. Each Umamusume character exists only through formal agreements with these real-world stakeholders, making respectful portrayal not just polite but contractually important.
Cygames has explicitly stated: “It is thanks to the cooperation of these owners, the horses’ fans, and many others that we have been able to bring each Umamusume to life. As such, any works that could harm or otherwise discomfort any of the above parties will not be tolerated.” This statement clarifies that guideline enforcement isn’t about limiting creativity but about honoring agreements with living stakeholders.
The legal dimension carries substantial weight. Cygames collaborates with agencies managing racehorse name registrations and has warned they “may pursue legal action if necessary” against violations. While specific cases remain rare, the potential for litigation creates a serious consideration for creators, especially those monetizing their work. This differs significantly from many fan art communities where legal action is exceptionally uncommon.
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According to Cygames, the guidelines above were created in “cooperation with the agencies that manage the registration of the real-life racehorses’ names.” This institutional collaboration underscores how seriously these rules must be taken by anyone creating fan content.
Given these considerations, creators planning content should carefully evaluate their concepts against the official guidelines. Those considering edgier material should reconsider or redirect their creative energies toward the many compliant avenues available. The community thrives most when creators respect the real-world connections that make Umamusume uniquely compelling.
No reproduction without permission：Game Guides Online » Umamusume devs threaten “legal action” against players making fan art Understanding Cygames' strict fan art guidelines for Umamusume: Pretty Derby and how to create compliant content