[Uke]

Zero... did he know that name? Zero...

"Without Zero, there would always be something. Always one, or two… or so on. Zero means that there is nothing. When there is no one in a room, there are Zero people there… if there was no Zero, every room in the world would have to have a person."

He felt himself frowning. Who had said that...? Was it... important...?

"Are you insulted? Zero is a very important number."

...A very important number...