Very straightforward interview process for interns. They check your knowledge and your interest and enthusiasm to work in Japan most importantly. What do you want to see there and if you want to get a full-time job there

Online assessment, one problem, but coder have to manually send the code using github gist and HTTP post, and the post should be posted with http basic authentication with TOTP password, which coder have to generate one manually. There is need to read RFC2617 and RFC6238 to implement these features.