At first you've to introduce yourself in Japanese and then they'll ask some questions related to job profile and Japanese. They will ask you to read a paragraph in Japanese. And after that they will ask you translate the paragraph.
It was very easy. They are very desperate so you just need to show up. No technical question, just basic questions about yourself. They employ everyone. This was in person.
There were two rounds of technical discussion and one round of HR discussion. Both technical rounds were of average difficulty. The interviewer and HR were polite and cooperative. After the HR discussion, offer letter was released.