Yes, for Scenarios "natural eyes" values will be there along with specific sliders such as blink rate, etc.
Sex positions are already in the Scenario Creator, but there will be much more in the future! Also, in the Scenario Creator, you can already customize your pose, meaning that the possibilities are limitless.
In Lucid Lust v1.0, you will even be able to make your own custom animations inside the Scenario Creator for everyone to enjoy! ♥
ALSO, I noticed that you were one of the first to follow me on itch.io haha, more than a year ago! Thanks a lot for your long interest in my project, I hope you enjoy its evolution!