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

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.