Due to an error in the information previously provided, the correct details are now available in the following article.
The behavior when accessing the Teachme Biz login URL will change (the URL and login screen will remain the same) | Scheduled for application in late October 2026
https://help.teachme.jp/hc/en-us/articles/63463189162649
We sincerely apologize for any inconvenience or concern caused by the incorrect information provided.