Mr./Ms. Morino is my best friend.

He wrote it as 欵乃, but the correct spelling is 欸乃.

He mistakenly wrote '款乃' instead of '愛乃'.

There is a secret between him and me.

He continued his work overnight.

He is always working at night.

The sound of the night rain hits the window glass.

The sound of the night rain is hitting the window glass.

What should I make for supper tonight?

During the polar night, the sun does not rise even once.