You got up on your knees like Harmony had commanded. "Good. Now hold your hands behind your back and close your eyes. I want your reward to be a surprise!"
You did. What could it be? Maybe they would play with your cock? Maybe let you eat their pussies? Maybe they would strip while your eyes were closed and then let you see their bodies when you opened your eyes again.
Then suddenly the left side of your face erupted - SLAP!