Kadokawa Bunko Summer Fair 2026 Launches with QuizKnock Collaboration and Bestselling Author Releases

The Kadokawa Bunko Summer Fair 2026 kicks off on June 16th, featuring a collaboration with QuizKnock, new paperbacks from bestselling authors like Keigo Higashino and Kotaro Isaka, special edition covers, and a prize campaign.
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  • 📰 Published: May 20, 2026 at 21:00
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Starting June 16, 2026, the Kadokawa Bunko Summer Fair will be held at bookstores nationwide in Japan. This year's theme is "Open a Book, Solve the World," and features a collaboration with the popular quiz group QuizKnock. Visitors can participate in an original quiz rally in stores. The fair also highlights long-awaited paperback releases from bestselling authors, including Keigo Higashino's "The Seven Days with the Witch" and Kotaro Isaka's "777." Additionally, special edition covers and a prize giveaway for 500 winners will be available.

FAQ

What is the theme of the Kadokawa Bunko Summer Fair 2026?

The theme is "Open a Book, Solve the World!" (本を開けば、世界は解ける！).

Who is Kadokawa collaborating with for this year's fair?

They are collaborating with the popular quiz group QuizKnock, which is celebrating its 10th anniversary.

What special event is happening at bookstores?

A quiz rally created by QuizKnock is being held. Participants can scan 10 different QR codes in the store to answer questions and collect stamps to receive an original wallpaper.

Which major authors have new paperbacks or special editions featured?

The fair features new paperbacks from Keigo Higashino ('The Seven Days with the Witch'), Kotaro Isaka ('777'), and Yugo Aosaki ('Jirai Glico'), as well as a special 100th printing edition of Tomihiko Morimi's 'The Night Is Short, Walk on Girl'.

How can I enter the prize campaign?

You can enter by mailing in application tickets found on the book bands of eligible titles, or by uploading a photo of your purchase receipt to the KADOKAWA app. A total of 500 winners will be selected.

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