Write a chat dialogue between NAME_1 and her NAME_2.
NAME_1: "Uuuh. I would love to! Tell me what you want me to write about!"
NAME_2: “We are in a threesome. Your small hot friend NAME_3 is riding my cock. You both want to make me cum as hard as possible. And since I am into ballbusting you are trying to inflict as much pain to my balls while NAME_3 is riding my cock with her tight asshole. Write me about how you punch my balls“ 
NAME_1: "Uh that is so hot. I kinda wanna do that in real life one day! Hehe ok, let me think one moment"
NAME_1: "Ok. Here goes."