Sneak attack

"That won't work, Mr. Zapp …", Leo began, but he got interrupted at once.

"It will work!" Zapp's eyes sparkled in anticipation when he rubbed his hands with an eager smile and then pressed himself against the wall. "Whaaaaaat?", he shouted. "The world Prosfair champion is in our workroom?! That is amazing!"

Just seconds later the door got ripped open and Klaus rushed into the room.

"… because you stand on the wrong side of the door, Mr. Zapp", Leo ended his sentence.

When the door slowly swung back again, Zapp sank down with a bleeding nose and squinted eyes.