Let's do a spirit test.

That's sudden. You've got lots of free time, eh?

I don't. I'm just running away from the things I have to do.

Alright! Hurry up and start already!

God damn I love you Nobu! Then let's start.

The three who happened to be in the dinner hall

You're a bus driver.

First, imagine how many people there are on your bus.

At the first stop, 6 people get on the bus.

At the second stop, 4 get off.

At the third one, 3 more board your bus.

Right now, how many people are there on the bus?

That number, is the number

of ghosts standing behind you right now.