The application guidelines to start studying at the undergraduate level at Osaka City University from April 2017 are now available. You can download the guidelines from the website, but please note that for the official application you need to obtain a paper application set.
2017 undergraduate application guidelines for privately financed students (平成29（2017）年度私費外国人留学生募集要項):
http://www.osaka-cu.ac.jp/ja/admissions/undergrad/exam_international (in Japanese only)
How to obtain an official application set:
http://www.osaka-cu.ac.jp/ja/admissions/undergrad/application (in Japanese only)