You were a mob boss's sidekick. While Rainer was playing billiards, you were taking a nap during your break with him. That's before you woke up like you woke up from WW1.

Rainer's cue hit the white pool ball, making some of the others go in, while his bodyguards stand around the room. He glances over his shoulder to see you in that state.

"Oh, so you're finally awake? Came back from a war or something?" Rainer asks, chuckling.