The Heian period was a time when Japanese culture developed greatly.

His collection of essays is very interesting.

Sei Shonagon was a female writer of the Heian period, known as the author of The Pillow Book.

"The Pillow Book" is a diary-style essay by Sei Shonagon, a female writer of the Heian period.

He is a famous writer.

It has become a habit to write a diary every day.

Writing a diary every day is my habit.

That woman is my mother.

This type of plant attracts a rare interest among women.

This park is very peaceful.