This doesn't exist yet, but you can commission a clip from this pornstar, she does custom VR vids, if you go to the services tab on her page, you can have a custom video made. I already messaged her requesting if she would do a mom cuckolding son with his best friend video. She said she would do it for $250, including a male actor. Let me know if you decide to commission a vid, I'll probably commission one eventually
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https://www.manyvids.com/Profile/1001962852/Nicole-DuPapillon/Store/Videos