Japan Castle Examination Past Questions Now Available Online! Second Collaboration with "Kokurojo" Movie Features Free "Arakimuramune Vassal Test"

Nippan Segmo Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; President: Kunikazu Yasui) is launching a new initiative for the "28th Japan Castle Examination," to be held on Sunday, June 28, 2026, by selling past questions from the 21st to 24th Japan Castle Examinations in digital format. Furthermore, as the second collaboration with the movie "Kokurojo," a free web-based examination called the "Arakimuramune Vassal Test" will be offered.

### What is the Japan Castle Examination?
Celebrating its 28th session, the Japan Castle Examination is a certification test specializing in Japanese castles, designed to allow participants to deeply learn about and enjoy Japanese castle culture and history. A wide range of people, from beginners to experts, have taken the exam, with over 38,000 castle enthusiasts participating to date. It is an examination for all who love castles.

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

### Japan Castle Examination 21st-24th Past Questions Now Available Online
In response to numerous requests, past questions from the Japan Castle Examination (21st-24th sessions) are now available in digital format. In addition to the previously published paper-based past question collections, these are provided in a data format accessible anytime from smartphones or PCs.
By tackling questions based on actual exam trends, you can not only prepare for the examination but also review your knowledge and test your skills. We encourage all castle fans, from those considering taking the exam to those aiming for further knowledge enhancement, to take advantage of this opportunity.
For details on pricing, purchasing methods, and more, please check the official website.
https://www.kentei-uketsuke.com/shiro/
Please also utilize the book "Official Japan Castle Examination Past Question Collection: 25th, 26th, 27th Sessions Included - Pre-1st, 2nd, 3rd Grade Edition," which contains past questions from the 25th to 27th sessions.

### Second Collaboration with "Kokurojo" Movie, Releasing June 19! Free Web Examination "Arakimuramune Vassal Test" - You are the one to protect Arioka Castle.
As the second collaboration between the movie "Kokurojo" and the Japan Castle Examination, a free web examination called the "Arakimuramune Vassal Test," open to everyone, will be launched. Please see here for details on the first collaboration project: (https://www.kentei-uketsuke.com/sys/shiro/kokurojo)
This test is a free web examination where you can challenge yourself by pretending to be a vassal serving Murashige Araki, the lord of Arioka Castle, which is the setting of the movie. It's a perfect project not only for enjoying and learning knowledge about Japan Castle Examination past questions and the movie "Kokurojo," but also as preparation before the movie's release. Before heading to the cinema, first hone your skills as Murashige's vassal.
The test can be taken anytime and repeatedly online. It's a ranking system where your title changes according to your score, making you want to challenge it again and again! Aim for the highest title, "Murashige's Senior Vassal," given only to those with a perfect score. If you don't have enough skill... you might become a "Prison Guard Soldier"!？
Furthermore, a campaign will be held where those who post their test results on X will be entered into a lottery to win "Kokurojo" movie tickets, original novels, and non-retail goods! We encourage everyone to participate!
Check here for campaign details.
https://www.kentei-uketsuke.com/shiro/kokurojo/
Official Movie Website: https://movies.shochiku.co.jp/kokurojo-movie/
Please proudly visit the cinema with the title of "Murashige's Senior Vassal" in your heart.

### 28th Japan Castle Examination Implementation Overview
28th Japan Castle Examination will collaborate with Hirosaki Castle!
【Date】 Sunday, June 28, 2026
【Method】 Venue Examination (Tokyo / Nagoya / Osaka / Hirosaki)・Online Examination
*Camera-equipped PC is required for online examination
*There is a capacity limit for venue examinations
【Grades】 3rd Grade / 2nd Grade / Pre-1st Grade / 1st Grade
【Examination Fee】 3rd Grade 4,700 yen (tax included) and others
【Organizer】 Japan Castle Association, Public Interest Incorporated Foundation
【Special Cooperation】 One Publishing Co., Ltd.
【Planning and Operation】 Nippan Segmo Co., Ltd.
【Official Textbooks】 Official Guidebook to Japan's 100 Famous Castles, etc.
【Application Deadline】 Thursday, May 28, 2026
【Official Website】 https://www.kentei-uketsuke.com/shiro/
Please apply from the official website.
*The Japan Castle Examination transitioned to an annual holding system from 2026.