Subashni Ravichandran
Ansys Employee

Hello T. Tada

As mentioned in the 2020R1 Release notes (below image), the translated versions of the Help has not yet been published. We are sorry for the inconvenience. 

I have shared with you a Japanese offline version of the 2020 R1 Help for Discovery Live via secure transfer. Please check and let me know if you require any further assistance.