Umamusume: Cinderella Gray Vol. 23 Tops Billboard Japan Book Hot 100
The latest installment of the popular manga series Umamusume: Cinderella Gray, Volume 23, has claimed the coveted number one spot on the Billboard Japan Book Hot 100 chart, as announced on March 26th. This significant achievement marks a triumphant conclusion for the manga version of the series, which has captivated fans with its compelling narrative and beloved characters. The success underscores the enduring popularity of the Umamusume: Pretty Derby franchise and its ability to resonate with a broad audience.
A Look at the Chart-Topping Performance
Umamusume: Cinderella Gray Vol. 23, penned by Taiyo Kuzumi, Masafumi Sugiura, and Pita, with story supervision by Junnosuke Ito, debuted at the pinnacle of the Billboard Japan Book Hot 100. This comprehensive chart aggregates data from various sales channels, including physical book sales, e-books, e-commerce platforms, library loans, subscription services, and social media engagement. The manga’s strong performance was driven by its dominance in the e-book category, where it secured the top position. Furthermore, it demonstrated robust sales in traditional brick-and-mortar bookstores, ranking sixth, and showed a respectable presence in online retail, landing at sixteenth. This multi-faceted success highlights the series’ broad appeal across different consumer preferences and purchasing habits.
The Umamusume: Cinderella Gray manga is a significant spin-off from the larger Umamusume: Pretty Derby franchise. The original Umamusume: Pretty Derby project began as a mobile game developed by Cygames, which features anthropomorphized horse girls competing in races. The game’s immense popularity quickly led to various adaptations, including anime series, light novels, and, crucially, manga. Umamusume: Cinderella Gray specifically focuses on the fan-favorite character Oguri Cap, a legendary racehorse in Japanese history. The narrative explores her journey, relationships, and the challenges she faces in the competitive world of horse racing. The anime adaptation of Umamusume: Cinderella Gray further amplified the series’ reach, introducing it to an even wider audience and likely contributing to the strong sales of the manga’s final volume. The release of Volume 23 signifies the conclusion of the manga’s narrative arc, making it a highly anticipated item for dedicated fans eager to experience the full story.
Dominance and Strong Contenders on the Chart
Holding a firm position at number two on the Billboard Japan Book Hot 100 is Yama Wayama’s Famiresu Iko. Part 2. This title showcased a well-rounded performance, securing a second-place ranking in brick-and-mortar sales. It also performed strongly in digital formats, achieving seventh place in e-books and thirteenth in e-commerce sales. The consistent presence of Famiresu Iko on the chart indicates a dedicated readership and a steady demand for its content.
Following closely is the ever-popular ONE PIECE Vol. 114, by Eiichiro Oda. After an impressive two-week run at the top of the chart, ONE PIECE Vol. 114 maintained its strong position within the top three. Its continued success is largely attributed to its exceptional performance in physical book sales, where it has now held the number one spot for three consecutive weeks. This enduring popularity speaks volumes about the longevity and dedicated fan base of one of the world’s most recognized manga series. The digital edition of ONE PIECE Vol. 114 is slated for release on April 3rd, suggesting its continued chart presence in the coming weeks.
Expanding the Narrative: Impact of Adaptations and Translations
In a notable chart movement, the translated edition of Andy Weir’s science fiction novel Project Hail Mary surged back into the top 20, landing at number sixteen. This resurgence in popularity is closely linked to the recent opening of its Hollywood film adaptation in Japanese cinemas on March 20th, starring Ryan Gosling. The film’s release has undoubtedly reignited interest in the source material, driving readers to bookstores and digital platforms. The translated novel demonstrated a comprehensive appeal, not only reaching third place on the social media metric but also accumulating points across all five tracked categories: brick-and-mortar sales, e-commerce, e-books, and subscriptions. This broad engagement signifies the novel’s successful penetration into the Japanese market, amplified by the global reach of its cinematic counterpart.
The phenomenon of Project Hail Mary highlights a growing trend in the Japanese market where successful film adaptations can significantly boost the sales of their source material, whether it be books or manga. The synergy between visual media and literary works continues to be a powerful driver of consumer interest. For Project Hail Mary, the successful transition from page to screen has proven to be a potent combination, allowing the narrative to reach a new generation of fans and re-engage existing ones. The novel’s ability to perform well across multiple sales metrics indicates a robust and multifaceted consumer response.
Understanding the Billboard Japan Book Hot 100 Methodology
The Billboard Japan Book Hot 100 serves as a vital indicator of book sales and reader engagement within Japan. Its comprehensive methodology aims to provide a holistic view of the market by integrating data from a diverse range of sources. This includes:
- Physical Sales: Traditional sales figures from bookstores and retailers.
- E-books: Digital sales data from various e-book platforms.
- E-commerce: Sales figures from online retailers, encompassing both physical and digital formats.
- Library Loans: Data reflecting the popularity and circulation of titles within public and academic libraries.
- Subscription Data: Metrics related to titles available through subscription services, indicating ongoing reader engagement.
- Social Media Activity: Tracking mentions, discussions, and trends related to books and authors on social media platforms, offering insights into public perception and buzz.
This multi-dimensional approach ensures that the chart reflects the dynamic landscape of book consumption in Japan, capturing not only direct purchases but also broader cultural engagement. The inclusion of social media data, in particular, provides a valuable window into how books are being discussed and perceived by the public, often acting as an early indicator of emerging trends.
Top 10 Titles on the Billboard Japan Book Hot 100 (March 16-22)

Below is the top 10 list for the Billboard Japan Book Hot 100, reflecting sales and engagement for the period of March 16th to March 22nd. The numbers in parentheses indicate the title’s metric placements for brick-and-mortar sales, e-commerce, e-books, subscriptions, and social media, respectively, with rankings within the top 20. English titles are provided where translations or adaptations exist for clarity.
-
Umamusume: Cinderella Gray Vol. 23
- Creators: Taiyo Kuzumi, Masafumi Sugiura & Pita, Junnosuke Ito
- Metric Placements: (6 / 16 / 1 / – / –)
- Analysis: The final volume of this popular spin-off manga has resonated strongly with fans, particularly dominating the e-book market. Its placement highlights the continued strength of the Umamusume franchise.
-
Famiresu Iko. Part 2
- Creator: Yama Wayama
- Metric Placements: (2 / 13 / 7 / – / –)
- Analysis: Yama Wayama’s work continues to perform exceptionally well, demonstrating a strong appeal in physical book sales and a solid presence in digital formats.
-
ONE PIECE Vol. 114
- Creator: Eiichiro Oda
- Metric Placements: (1 / 17 / – / – / –)
- Analysis: The enduring power of ONE PIECE is evident in its consistent dominance of physical book sales, marking its third consecutive week at number one in this category. The upcoming digital release is expected to maintain its chart momentum.
-
The JOJOLands Vol. 8
- Creator: Hirohiko Araki
- Metric Placements: (3 / 6 / 5 / – / –)
- Analysis: Another long-running and beloved series, The JOJOLands continues to attract readers across various sales channels, showcasing its dedicated fan base.
-
Shuumatsu no Warukyure (Record of Ragnarok) Vol. 27
- Creators: Azychika, Shinya Umemura, Takumi Fukui
- Metric Placements: (7 / – / 15 / – / –)
- Analysis: This action-packed series maintains its popularity, with a strong showing in physical sales and a notable presence in e-books.
-
Watashi no Shiawase na Kekkon (My Happy Marriage) Vol. 6
- Creators: Akumi Agitogi, Rito Kohsaka, Tsukiho Tsukioka
- Metric Placements: (4 / – / – / – / –)
- Analysis: The romantic fantasy series continues to captivate audiences, with a particularly strong performance in brick-and-mortar sales. Its popularity is likely fueled by its anime adaptation.
-
Yomi no Tsugai (Daemons of the Shadow Realm) Vol. 12
- Creator: Hiromu Arakawa
- Metric Placements: (5 / 9 / – / – / –)
- Analysis: From the acclaimed creator of Fullmetal Alchemist, this series demonstrates consistent appeal across physical and e-commerce sales.
-
Jujutsu Kaisen Modulo Vol. 2
- Creators: Yuji Iwasaki, Gege Akutami
- Metric Placements: (8 / 18 / – / – / –)
- Analysis: Building on the immense success of the main Jujutsu Kaisen series, this spin-off continues to attract readers, showing strong performance in physical and e-commerce sales.
-
Ginga Eiyuu Densetsu (Legend of the Galactic Heroes) Vol. 35
- Creators: Yoshiki Tanaka, Ryu Fujisaki
- Metric Placements: (– / – / 3 / – / –)
- Analysis: This epic science fiction saga finds a significant audience in the e-book market, indicating a strong preference for digital consumption for this particular series.
-
Haru no Arashi to Monsta (Spring Storm and Monster) Vol. 10
- Creator: Mitsubachi Miyuki
- Metric Placements: (10 / – / 12 / – / –)
- Analysis: This series rounds out the top 10 with a solid presence in both physical book sales and e-books, demonstrating its steady readership.
Broader Implications and Future Trends
The consistent performance of established manga titles like ONE PIECE and Jujutsu Kaisen alongside newer, yet highly popular, series such as Umamusume: Cinderella Gray and Famiresu Iko highlights the dynamic nature of the Japanese publishing market. The success of Umamusume: Cinderella Gray‘s final volume underscores the importance of satisfying narrative conclusions in maintaining fan engagement.
The resurgence of Project Hail Mary due to its film adaptation also emphasizes the growing cross-media synergy and its impact on book sales. As global entertainment continues to intertwine, this trend is likely to persist, with film and television adaptations playing an increasingly crucial role in driving readership for both new and existing literary works. The Billboard Japan Book Hot 100 will undoubtedly continue to be a key barometer for these evolving trends, reflecting the diverse tastes and consumption habits of Japanese readers.