For the scenario you are with a friend talking (just let the camera close to you) about his fetish(belly button) then you see that he is looking most of time at your belly button, you ask if they want to see it up close(just put the camera in front of you belly button and play with it), after having a close up you say if they want to be even closer and then you grab your friend(the camera and pull them in your belly button, after that scene we see yourself rubbing your belly and playing with your belly button (stand up or sit i let you chose) and saying how good he feel inside but he is fig...

For the scenario you are with a friend talking (just let the camera close to you) about his fetish(belly button) then you see that he is looking most of time at your belly button, you ask if they want to see it up close(just put the camera in front of you belly button and play with it), after having a close up you say if they want to be even closer and then you grab your friend(the camera and pull them in your belly button, after that scene we see yourself rubbing your belly and playing with your belly button (stand up or sit i let you chose) and saying how good he feel inside but he is fighting to get out he push your belly and something come out(i let you chose what is coming out) you look at it and say something like "you're not getting out or stay inside" and you absorb it back inside your belly button the final scene is you playing with your belly button and him fighting inside and you saying "it's feel good or complain about the movement" something like that.