The belief system that has its origins in Japan is Shintoism.
The belief system that originated in Japan is Shintoism. Shintoism is an indigenous religion of Japan that has its roots deeply embedded in the country's history and culture. To confirm this answer, you can research the origins of Shintoism and find historical and cultural references to Japan as its birthplace. Additionally, you can also consult reliable sources such as books on world religions or scholarly articles on the subject.
