He is knowledgeable about human affairs.

Choosing a leader for the new project is very important.

In medical classes, we learn about the structure of the human body.

Every year on January 7th, we celebrate Nanakusa no Sekku, also known as Jinjitsu.

He is suffering from inflammation of the renal pelvis.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

This old castle tells the history of Japan.