SibFnPiss/Piss gets included in the lessons
From Create Your Own Story
The next morning you are surprised to see she is awake before you. She smiles at you and says, "My turn to take your piss."
You have to pee, but you hold off by asking, "Are you sure?"
She nods and says, "Yes."
She removes her clothes and gets on her knees as you remove your dick. Then she opens her mouth and you allow a short stream to enter. She closes her mouth and you see your piss run down her face and onto her tits. She opens her mouth again to fill it and again swallow. Once you are finished, she takes the head of your dick into her mouth to ensure not a drop escapes. Your dick responds by hardening in her mouth.
Once satisfied there is no more piss, she releases her mouth from the head of your dick and says, "That tasted different. Salty, strong, but good. I liked it."
The two of you add on pissing to your lessons and you find she is willing to learn new things that might not be completely in line with oral sex, but close. It gets you wondering just what else you can get her to do.
Does she:
