Language
support information
Contact Us
Download
New Year's Message

New Year's Greeting
New Year's Message

Notice of New Year Holidays
Products

Article on our service was published in Nihon Keizai Shimbun.
Products

Multilingual AI speech synthesis cloud service "OTO Creator" is now available.
Products

109th exam questions were added to "Chinese Proficiency Test Past Question Web".
12345
Reproduction of past questions from the Chinese Language Proficiency Test! Help you find a job, obtain a certification, or advance your career.
KODENSHA's official online store where you can purchase and download software products.
Individuals working as freelancers, students, international students, and freshers can register here.
If you wish to become a distributor or do business with us in a corporate capacity, please register here.