The following Graduate Schools have announced a second application round for international students for Master Courses starting in April 2017:

Graduate School of Business
Graduate School of Economics
Graduate School of Law
Graduate School of Literature and Human Sciences
Graduate School of Science

The Application Guidelines (平成29年度大学院前期博士課程（修士課程）学生募集要項（一般・外国人留学生）<再募集>) can be viewed on-line on the following page (only in Japanese):
http://www.osaka-cu.ac.jp/ja/admissions/graduate/exam_international