Seated

The knocking continued. The windows began to rattle.

open it

There was someone there dressed in white and red shoes.

"Nice shoes!" said the last person in the world.

"I know aren't they? I got them for a discounted price" said the mysterious white blop.

The Shorest Science Fiction Novel in the World

"The last person in the world sat in a room. There was a knock at the door. The question was: to open it or to remain seated ?"