As his name suggests, Gou is a very sturdy person.

Yu is not only his name, but also represents the courage that always exists in his heart.

His mansion is truly magnificent.

Monday is my busiest day.

Kyou is a brave man.

He is undergoing training for extravehicular activity.

He engaged in an extravehicular activity from the spaceship.

He is a foreigner, but he can speak Japanese fluently.

I have been to Outer Mongolia.

Coitus interruptus is one method of contraception, but it is not completely reliable.