Mr. Nanatani is my best friend.

My younger sister is seventeen years old.

Let's have a barbecue with a shichirin tonight.

It's very interesting to learn about the Seven Wonders of the World.

My grandfather is seventy years old.

He is good at finding stick insects.

Seven new students joined our class.

Seven new students joined our class.

I was born and raised in the town of Shichinohe.

He injured his toe.