I saw a moonbow for the first time last night.

It is said that when you see a fogbow, the weather changes.

Have you ever seen a rainbow in the park?

He drew a heptagon shape.

Nanamiko is my best friend.

I wake up at seven o'clock every day.

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.