He is conducting historical research on male homosexuality.

His poem depicts a world of nothingness.

He destroyed the room in anger.

He underwent surgery on his inguinal canal.

We dream of a day when all people can enjoy world peace.

Kaito is my best friend.

He decided to start his own faction.

He was reassigned to the position of department manager.

Despite his efforts, he failed the exam.

The police officer is investigating the scene of the traffic accident.