This is the textbook (booklet version) for Koji Certification Level 3 and Level 2 examinees. This is the 2025 revised edition with corrected typos and omissions.

*Even textbooks from before the 2025 revised edition can be used for the exam without any problems.

For international customers
If the international shipping option is not displayed, please contact us via the inquiry form.
Also, there is an error where shipping costs become high when ordering simultaneously with koji starter. We apologize for the inconvenience, but please contact us via the inquiry form above with your order number and name after placing your order. We will adjust the shipping cost to a reduced amount.

Unauthorized copying, reproduction (distribution, copying, scanning, digitalization), or reprinting of any or all parts of this book is prohibited. We shall not be held responsible for any problems arising from the copying, reproduction, or reprinting of this book.

Kuroneko Yu-Packet shipping fee: 250 yen (up to 2 copies)