SRTS/Touch them both
From Create Your Own Story
Once you are satisfied that they have no problem using the language you want them to use you decide to see if they remembered the words for the parts of their bodies. You are planning on getting a handjob from them soon, but you want to do some other things with them first. You also want to hear them talk about you touching them in a way that no sister should ever say to a brother, let alone sisters.
You look at both of your sisters and say, "Now it is time to test your memory. I am going to touch you both in different spots and you are going to tell me what I am touching." As they nod in agreement, you say, "Good. I also want you to say your brother is touching you. Understood?"
They both nod and you see they both look nervous. You don't know the reason, but it is far more likely it is from trying to remember the new words than the idea of you touching them on their most intimate parts. You look back and forth to decide if you are going to start with Anna or Sue. After a short while, you decide to start with Sue. You reach out and touch her tits. She does not jump from the feeling of your hands on her flesh.
Sue says, "My brother is touching my tits."
You don't bother giving any indication of her being correct. Instead, you move on to Anna's nipples. Your fingers reach out and rub both of her nipples, which causes her to give a slight moan.
Anna say, "My brother is touching my nipples."
You:
