【March 26th Release】The popular castle exploration experience gets even more fun! The latest edition of past questions for the "Japan Castle Examination" is now available for castle enthusiasts!

One Publishing Co., Ltd. (Minato-ku, Tokyo / President: Kensuke Matsui) released the "Official Japan Castle Examination Past Questions Vol. 25th, 26th, 27th Edition - Junior 1st, 2nd, 3rd Grade" on Thursday, March 26, 2026, priced at ¥1,980 (tax included).

This book is a collection of past questions for the "Japan Castle Examination," a popular castle-related certification that is said to make castle tours even more enjoyable. It includes all 900 questions from the last three exams, allowing you to understand frequently asked questions and exam trends. Difficult questions for higher grades are accompanied by explanations from Mr. RiFumi Kato, Executive Director of the Japan Castle Foundation.

A must-read for all examinees of the next Japan Castle Examination (held on June 28th).

The Latest Past Questions Collection for the "Japan Castle Examination" to Make Castle Tours Even More Enjoyable

This book is the latest edition of the past questions for the "Japan Castle Examination," which is supported by castle enthusiasts for making castle tours, currently very popular, even more enjoyable. It features all 900 questions from the last three exams (25th, 26th, and 27th) for Junior 1st, 2nd, and 3rd grades, including the 27th exam held last November. It clearly shows frequently asked questions and exam trends, making it a must-read for all examinees.

Junior 1st Grade Questions Also Included: 3 Editions, 300 Questions!

The Junior 1st grade questions, which were previously only published with 100 questions per edition, are now presented with 300 questions across three editions. This will be of great help in preparing for the increasingly difficult Junior 1st grade exam. Difficult questions for higher grades are accompanied by explanations from Mr. RiFumi Kato, Executive Director of the Japan Castle Foundation. Additionally, 16 questions from the expert-level 1st grade exam, which is only open to those who have passed the Junior 1st grade, are also included. Please do try to challenge these extremely difficult questions with single-digit pass rates.

The Next "Japan Castle Examination" Will Be Held on Sunday, June 28th!

The upcoming 28th "Japan Castle Examination" will be held on Sunday, June 28th...