Chaos. Because there is no standard, no process, and no policy for how to get a talent employee.
Also because the interviewee is not qualified in some cases.
Basically, you need to be able to speak English. Japanese, on the other hand, is not required, because some interviewees can only speak English in some cases.
Have you read the book by Rakuten's CEO, Mikitani?
The following metrics were computed from 1 interview experience for the Rakuten Web Engineer role in Tokyo, Tokyo.
Rakuten's interview process for their Web Engineer roles in Tokyo, Tokyo is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very negative feelings for Rakuten's Web Engineer interview process in Tokyo, Tokyo.