UTokyo Global Unit Courses (UTokyo GUC) is a short-term, intensive summer program

I´m thinkinhg on appluing on the UTokyo Global Unit Courses (UTokyo GUC) is a short-term, intensive summer program organized by the Center for Global Education at the University of Tokyo. Has anyone taken this course before? What did you think? Can you give some tips for those who don't speak Japanese?