The author's message is written on the opening page of this book.

I live in the Kanto region.

The Hanlin Academy was one of the most important academic institutions in Chinese history.

He was to be reeducated.

He was set to participate in a reeducation program.

We learned about the importance of sex education at school.

My child is currently learning educational kanji.

He is known as an expert in pedagogy.

He is an expert in pedagogy and is deeply involved in the educational activities of children.

Because he received Spartan education, he has a very strict character.