Special Announcement from Japan Castle Kentei to Commemorate Castle Day (April 6th)! Exciting Projects Including a New Question Book and a Movie 'Kuroi Jō' Collaboration!

In commemoration of 'Castle Day,' the Japan Castle Kentei has announced new projects. In addition to releasing a new collection of past questions from the 25th to 27th exams, they will implement a collaboration campaign with the movie 'Kuroi Jō' and a second exclusive tour.
キャンペーンNQ 40/100出典:PR Times

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  • 📰 Published: April 6, 2026 at 19:00
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April 6th is Castle Day! Applications open for the 28th Japan Castle Kentei

Nippan Segumo Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; President: Kuniyoshi Yasui) will hold the 28th Japan Castle Kentei on Sunday, June 28th, at venues in Tokyo, Osaka, Nagoya, Hirosaki, and online. To commemorate this, the release of the 'Official Japan Castle Kentei Past Question Collection - 25th, 26th, 27th Editions for Pre-1st, 2nd, and 3rd Grades' has been decided! Additionally, a campaign offering luxurious prizes to applicants as part of a collaboration with the movie 'Kuroi Jō' and the second installment of an exclusive tour for Japan Castle Kentei examinees have also been confirmed.

What is the Japan Castle Kentei?

The Japan Castle Kentei, now in its 28th iteration, is a specialized certification exam for Japanese castles that allows participants to enjoy learning deeply about Japanese castle culture and history. A wide range of people, from beginners to experts, take the exam, and it is a certification for all who love castles, with over 38,000 castle fans having taken it to date.

Japan Castle Kentei Official Website: https://www.kentei-uketsuke.com/shiro

■New Japan Castle Kentei Question Book Release

'Official Japan Castle Kentei Past Question Collection - 25th, 26th, 27th Editions for Pre-1st, 2nd, and 3rd Grades'

The official question book 'Official Japan Castle Kentei Past Question Collection - 25th, 26th, 27th Editions for Pre-1st, 2nd, and 3rd Grades', which can be used for exam preparation, will be released by One Publishing Co., Ltd.

This book contains the exam questions from the 25th to the 27th Japan Castle Kentei, the most recent exams, allowing for study based on actual question trends. Furthermore, the detailed explanations are sure to deepen understanding and solidify knowledge. It can be widely used by those considering taking the Japan Castle Kentei and by castle fans aiming to further improve their knowledge.

Please check here for product details.

https://one-publishing.co.jp/b