Mizu is my best friend.

In the old days, people used to draw water directly from the river and drink it.

Please give me a glass of water.

He drank water.

There are a lot of old furniture in the storage room.

The underground water in this area is very clean and is used as drinking water.

I found an old box in the storeroom.

Kiki is my best friend.

His illness is due to a genetic cause.

Koki is my best friend.