You can refer to these books:
1, Educational Methodology (Manabu Sato, Yanbo Bookstore)
2. Introduction to Pedagogy (Fujita Hideki Tanaka Takahiko Terazaki Hiroaki Hiraoka, Tokyo University Press)
3. Introduction to Teaching Research (Tadao Inagaki Manabu Sato, Tokyo University press conference)
4. Education in Japan (Tokyo University Press Conference, Keihisa Horio)
5. Teacher culture in Japan
6. Educational reform をデザィンする (Manabu Sato, Yanbo Bookstore)
7. Teaching at school (Manabu Sato, primary school)
I wish you success!