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Latest News
- On September 1, 2025, new questions were added to the academic, practical, and supervisory sections.
- On June 20, 2025, new questions were added to the academic, practical, and supervisor sections.
- On June 1, 2025, we launched the Indonesian version. Now, learning is available in four languages: Vietnamese, Japanese, English, and Indonesian. Additionally, new questions have been added to both academic and practical sections to further enhance the learning experience.
- May 16, 2025 We have added new questions for the written exam, practical skills, and foreman-related topics. Going forward, we will continue to add more content as we monitor the status of the Specified Skilled Worker (i) Type 2 Evaluation Test. Additionally, questions related to the Specified Skilled Worker (i) Type 1 have also been added, further expanding the scope of learning.
- As of April 2025, the Specified Skilled Worker Type 2 Evaluation Exam in the construction field has been updated as follows: The exam fee has been reduced from 2,000 yen to 1,000 yen. Furigana (phonetic kana readings) have been added after kanji in the questions—for example: “設計図（せっけいず）”. Additionally, the number of questions has increased, and some changes have been made to the question trends. We are currently updating our system to include the new question formats and furigana in accordance with these changes. In addition to existing languages—Vietnamese, English, and Japanese—an Indonesian version is also under development. We appreciate your patience as we finalize the updates.
- Available 24 hours a day, anywhere.
- Easy to learn with simple operations from your computer or smartphone.
- Repeat as many times as needed until you are satisfied.
- Comprehensive texts and practice questions.
Japanese is difficult and hard to understand.
I'm not confident with studying only through textbooks.
I'm unsure whether to take the Specified Skilled Worker (ii) Evaluation Exam.
I want to test my skills with a mock exam.
Not sure where to start studying.
I don't understand the benefits of the Specified Skilled Worker (ii) program.
Affordable Plan
(1 month)
Reasonable plans for learning with Japanese text
3,000Yen/Month
An affordable plan designed for those who wish to study with Japanese texts in preparation for both theoretical and practical skills exams.
【Contents】
Summary text in Japanese（Theory/Practical）
Sign up hereSummary text in Japanese（Theory/Practical）
| Expected questions: | up to 30 questionts/day |
Basic Plan
(1 month)
In addition to our Affordable Plan, we offer a comprehensive plan that includes mock exams designed to simulate real test conditions.
6,000 Yen/Month
Recommended for those who want to experience the results of their learning through simulated tests (40 questions on theory and 25 practical questions) that mimic actual exams and check abilities.
【Contents】
Summary text in Japanese（Theory/Practical）
Sign up hereSummary text in Japanese（Theory/Practical）
| Expected questions: | up to 30 questions/day |
| Mock tests: | up to 65 questions/day |
Premium Plan
(6-month)
Take advantage of the discounted Premium Plan for the Basic Plan with a one-time payment.
30,000Yen/6 Months
Enjoy unlimited access to the Premium Plan for six months from the date of registration. This plan is recommended for those who want to take ample time to study thoroughly for the actual exams, as well as for those who find it difficult to secure time for studying.
【Contents】
Summary text in Japanese（Theory/Practical）
Sign up hereSummary text in Japanese（Theory/Practical）
| Unlimited expected questions | No limit |
| Unlimited ｍock tests: | No limit |
Trial Planfor FreeA part of the text in the Basic Plan is now available.Click here, if you're interested
FAQ
Q :
What devices can use this system?
A :
You can access it anytime,via PC, smartphone, or any other device with an internet connection.
Q :
When can I start using the service after signing up？
A :
During membership registration, you will be required to make a payment according to your chosen plan.Once approved, you can start using the service immediately.
Approval will be confirmed when you receive a payment confirmation email sent to the registered email address.
Free membership can be used immediately after registration.
Approval will be confirmed when you receive a payment confirmation email sent to the registered email address.
Free membership can be used immediately after registration.
Q :
What payment methods are available？
A :
Bank transfer and card payments are available.
For bank transfers, it may take about 2 to 3 days for approval.
Bank transfers can be made from financial institution ATMs or internet banking services of contracted banks.
When making a transfer, please enter the same name (in full-width katakana) as the transferor's name entered on the bank transfer payment screen of this system.
It may take several days for the payment to be processed, if the transferor's name is different, .
For bank transfers, it may take about 2 to 3 days for approval.
Bank transfers can be made from financial institution ATMs or internet banking services of contracted banks.
When making a transfer, please enter the same name (in full-width katakana) as the transferor's name entered on the bank transfer payment screen of this system.
It may take several days for the payment to be processed, if the transferor's name is different, .
Q :
Can I ask questions about the system or the text？
A :
Yes, it is possible. Please send your questions to the email address listed on our website. We will respond within 1-2 days. Please note that we do not provide telephone support, so we appreciate your understanding.
Q :
Are there any instructions for text viewing and system operation?
A :
The explanation video is posted at the link below.
Instruction video on viewing Text
⇒ How to view the text
Instructional video on system operation
⇒ System Operation
Instruction video on viewing Text
⇒ How to view the text
Instructional video on system operation
⇒ System Operation
Q :
Is it possible for multiple users to use the service if they register as a member?
A :
Membership is only available to the individual who registered. You can log in using only the ID and password registered at the time of membership registration. Please note that if it is discovered that multiple users are using the same ID and password, the membership will be terminated immediately.
Q :
How are the texts and test questions created?
A :
We have organized the key points and included test questions that are likely to appear in exams, based on the content distributed by JAC. The questions have been carefully verified against the text to ensure their relevance.
Both the text and the questions have been created under the supervision of a Japanese construction company that has produced numerous successful candidates for the Specified Skills Evaluation Exam (ii)
Both the text and the questions have been created under the supervision of a Japanese construction company that has produced numerous successful candidates for the Specified Skills Evaluation Exam (ii)
Q :
Is there a limit to the number of times tests can be taken per plan?
A :
There is
there are limitations for each plan.
・Affordable Plan
The theoretical and practical skills tests can be taken up to 3 times per day.
The total number of questions per day is limited to 30.
・Basic Plan
The theoretical and practical skills tests combined can be taken up to 3 times per day.
Mock tests can be taken once per day.
The total number of questions per day is limited to 95.
・Premium Plan
There are no restrictions for theoretical tests, practical skills tests, or mock tests.
You can take as many test questions as you want in a single day.
there are limitations for each plan.
・Affordable Plan
The theoretical and practical skills tests can be taken up to 3 times per day.
The total number of questions per day is limited to 30.
・Basic Plan
The theoretical and practical skills tests combined can be taken up to 3 times per day.
Mock tests can be taken once per day.
The total number of questions per day is limited to 95.
・Premium Plan
There are no restrictions for theoretical tests, practical skills tests, or mock tests.
You can take as many test questions as you want in a single day.
Q :
What should I do if an error occurs during payment?
A :
The following reasons may cause errors during payment:
1.During system maintenance
2.Internet connectivity issues
3.Other operational errors
If an error occurs during payment, you can log in using your registered ID and password, and a free membership screen will be displayed.
From the menu on the free membership page, click "Click here to sign up or update" and proceed with the subscription process again.
1.During system maintenance
2.Internet connectivity issues
3.Other operational errors
If an error occurs during payment, you can log in using your registered ID and password, and a free membership screen will be displayed.
From the menu on the free membership page, click "Click here to sign up or update" and proceed with the subscription process again.
Feel free to contact us with any other questions.
Inquiries about the learning content:tsukamoto@aiaigreen.jp
Inquiries about the system:kawada290@nankai-j.co.jp
Inquiries about the learning content:tsukamoto@aiaigreen.jp
Inquiries about the system:kawada290@nankai-j.co.jp