Hey you horny slut! You like to play with your fucking dick? Hmm, let's see... ok, let's have some fun! But WE will tell you when to cum! And we will instruct you to increase or decrease your speed. Just do what we tell you when we tell you! So let's start - green light. Take your hand and stroke your dick. Up and down. A little bit faster. Stop - red light! Don't move! Some seconds more and... green light. Go on! You are nearly ready to come...? Red light! Do you know what you have to do with your sperm after cumming...? Find out now!