Go to the back of the RV
From Create Your Own Story
You stop your sister and take her to the back of the RV. When you walk through the door you see that your mother has not done anything with Timmy yet, due to the fact that he is asleep. She notices that you are leading your sister by her hand
"Don't worry I'll leave if you need your privacy." She take Timmy in her hands and winks at you as she walks by.
Before she walks out you say, "Mom you don't have to leave." She smiles before she leaves. Heather seems very confused.
You lock lips with your sister and slowly fondle her breasts. Her nipples are already hard and you only just locked lips with her. You help her take off her top, when you feel that someone is taking off your sweats. You look down to see that your mother has taken off your sweats and has now moved to taking off Heathers tight jeans. You love how this has unfolded. With the help of your mother you and Heather are completely naked.
You decide that your mother should be relieved of her clothing as well, so you start to take off her shirt as Heather takes off her pants. It seems your mother was already ready for this because she isn't wearing a bra or panties. Your sister starts eating your mom out while you suck on her luscious nipples. Your mothers breath starts becoming labored as she approaches an orgasm. So you decide to help out Heather, eating your mom out. With both your tongues licking your mothers cunny she can't hold it anymore and orgasms loudly, but is stopped when Heather locks lips with her to stop her. You then decide you should taste your sister and compare the taste between your mom.
It doesn't take you long to find Heathers G-spot where you get her to orgasm faster than your mom. The two ladies decide that you did a good enough job so they stand you up and they get on their knees. Your mom goes first and starts bobbing her head up and down while Heather sucks on your balls. Heather wanting a turn to moves your mom over and takes your entire length into her mouth. Your mom pushes her head back and forth making sure shes deep throating you. Your mom pulls Heather off and she does the same thing, it seems to be a competition between the two and you really don't mind.
What do you do next: