In old Japan, Sarugaku was a very popular art form.

In ancient Japan, sarugaku was one of the people's entertainments.

She is interested in astrology.

She has a deep interest in astrology.

This chemical reaction is very dangerous.

He was fascinated by pseudoscience.

Sexology is the scientific study of human sexual behavior and sexuality.

The sexology class is very interesting.

My younger brother will go to a new school for changing school.

He had to change schools because of his family's job transfer.