We published Keio Online Law Journal in English on April 2023.
Please see it on the following page:
Keio Online Law Journal

What is Keio LL.M. ?
In 2017, Keio University Law School (KLS) established a master's degree program (LL.M.) in Global Legal Practice. This is a professional graduate master's degree course with instruction in English language - the first of its kind within a Japanese law school. For more details, please see the following link:
LL.M. Program Overview