I booked a business class for the next flight.

He received the letter challenging him to a duel and began preparing for the duel.

Hakumoku is my best friend.

Mutsuhito is my best friend.

Gender roles are an important element in defining individual behavior in society.

His role is to fulfill his responsibilities as a leader.

This room gives a sense of peace.

Washoku is a traditional Japanese cuisine.

Kazu is my best friend.

This room has a Japanese-style atmosphere.