"Honkore", a comprehensive book information app with approximately 1,400 bookstores, will be launched on October 6, 2025.

2025.10.07 Press Releases
Catalyst Data Partners Inc.

• #Database Marketing
• #Partnership & Consulting Business
• #co-creation

-An open platform that allows a wide range of bookstores, from major chains to independents, to participate free of charge-

Eight publishing companies have invested (*1) and aim to "change the world with open data"Catalyst Data Partners Inc. (Headquarters: Yokohama, Kanagawa Prefecture; President and CEO: Yasumasa Tanaka; hereinafter referred to as "CDP") has officially launched "HonColle," a comprehensive information app that provides information on books, comics, magazines, and other books and bookstores, on Monday, October 6, 2025.

*1: (In order of fifty) KADOKAWA Corporation, Culture Convenience Club Co., Ltd., Gakken Holdings Co., Ltd., Kodansha Co., Ltd., Shueisha Co., Ltd., Shogakukan Co., Ltd., Nippan Group Holdings Co., Ltd., Poplar Publishing Co., Ltd.

"Honkore" is an open platform (*2) that allows various bookstores from all over Japan, from chain bookstores to independent bookstores, to participate. Currently, approximately 1,400 bookstores (*3) nationwide are participating, and more bookstores are expected to join in the future.

*2: For details about the bookstore's menu, please see ( https://honkore.jp/business/ad/ )

*3: Participating bookstores (listed in alphabetical order): Asahi Bookstore, Ayumi BOOKS, Orion Shobo, Kani Books, Kinokuniya Bookstore, CROSS BOOKS, Keibundo Bookstore, Kinoshita Book Center, Kumazawa Bookstore, Sagano Bookstore, Sanseido Bookstore, Junkudo Bookstore, Sekibunkan Bookstore, Tadaya, Da Vinci Store, Chapters Bookstore, TSUTAYA, TSUTAYA BOOKSTORE, Tsutaya Bookstore, Parco Book Center, Futaba Bookstore, BOOKS Emitas, BOOK CENTER QUEST, Bun'ei-do, Bunkyodo, Bookstore B&B, BOOKSHOP TRAVELLER, Page Pharmacy, Honmaru, Maruzen, Tanishimaya, Yomuyomu, LIBRO

The comprehensive entertainment app "TSUTAYA App," which began service in 2013 and has a cumulative total of approximately 13 million downloads, has been transferred from CCC to CDP and has been revamped as the "Book Collection" app, specializing in books.

Publishers will also be able to use it as a marketing tool to directly deliver information about their works to customers.

The "Honkore" app allows various bookstores across Japan to register their store information and store inventory information for free, and will gradually make it possible to search for store information and book inventory at participating bookstores other than TSUTAYA (※4).

*4: Inventory search is not available at some bookstores.

In addition, you can continue to use the MOBILE V CARD and TSUTAYA discount coupon information provided on the "TSUTAYA app" by linking the service (※5) with the "HonColle" app, and you can also check your book purchase history at TSUTAYA.
Rental history can also be viewed on the TSUTAYA website ( https://store-tsutaya.tsite.jp/history/ ) for more information.

*5: To link services, you must agree to the terms and conditions set forth separately by CDP and become a member of this collection.

In addition, regarding feature updates for the "Honkore" app, please refer to the "Honkore" app website ( https://honkore.jp/ ) will be announced in due course.

Main functions and features of the "HonColle" app

Once inventory data sharing with bookstores is complete, it will be possible to search for inventory at each store.
Some stores also provide shelf location information and image display, and if a book is out of stock, you can use the ordering service by clicking the link to the bookstore's official website.

・Reviews, recommendations, rankings
Users will be provided with the ability to post reviews. It also displays recommendations and rankings based on reading habits, and users can receive book introductions and promotional information from publishers and authors.

- Tag search and analysis function
Books can be tagged with "emotional scores" and "feature scores," enabling searches across genres.
Examples: "#ShowaRetro", "#FavoriteCharacter", "#Illustration", "#80%Romance", etc.

・Bookstore CRM function
You can deliver information about campaigns and events at each bookstore to users. Bookstores will be able to implement a variety of measures, such as encouraging customers to visit the store, encouraging purchases, displaying membership cards, and linking points.

·others
Some functions of the TSUTAYA app, such as checking the mobile V card and purchase history, will continue to be available (service integration required), and stock confirmation information will be available through a common UX.

In the future, we plan to gradually add ranking functions as well as advanced marketing support functions for publishers, such as CRM tools and reader analysis.

CDP aims to help solve issues in the publishing industry by linking and openly sharing data from publishers, bookstores, and distributors. With investment from seven companies in the publishing industry, CDP changed its name from TDS Co., Ltd. in 2021 as its business scope expanded.

CDP will continue to connect data from various companies, openly share it, and promote its use, thereby paving the way for the future of the publishing and bookstore industries and providing new value to customers.

Catalyst Data Partners Inc. (reading: Catalyst Data Partners) Company Profile

Address: Yokohama Connect Square 14th floor, 3-3-3 Minatomirai, Nishi-ku, Yokohama, Kanagawa Prefecture, 220-0012
・Representative: President and CEO Yasumasa Tanaka
・Corporate website:https://www.cdp-ltd.co.jp/ 

Business overview
・Providing AI-based database SaaS
・Providing demand forecasting services in the publishing industry
・Sales of bookstore book purchasing database "CANTERA"
・Sales of TSUTAYA/TSUTAYA BOOKS's purchasing database "DB WATCH"
・Providing V POINT service to bookstores
・Operation of the "Book Collection" app

■ Materials related to this matter

"Honkore," a comprehensive book information app with approximately 1,400 bookstores, will be launched on October 6, 2025.

■Inquiries regarding this matter
Catalyst Data Partners, Inc. Public Relations Officer Tada
MAIL: catalyst_pr@ccc.co.jp