Rules:
Preparation: Start this game with a little bit of foreplay. She plays with his cock until it's hard and he rubs her pussy/clit with his fingers. He then should penetrate her pussy with 1-2 Fingers for a couple of times.
Game: Set a timer for 20 minutes. Start doing the positions and pictures. When the timer runs out, proceed to the cumshot stage. If you want to continue after 20 minutes, agree on a new timer time.