Does this game get rid of any original sex scenes? I want to see both the original and newly added scenes but I don't want to play through both the original and the modded versions.
All of the scenes from the Unity game are in this one*. But, they are not identical. Most changes to the game work like this:
(Additional dialog leading into the scene, transitioning from the previous scene)
Original scene with minor dialog modifications
(optional extended scene choice menu or finish options)
(Additional dialog leading out of the scene)
You can also take a look under Dev Notes>FAQ in the OP. It talks about the type of changes. Sometimes the "extra" stuff is big, sometimes small.
Here is a vague spoiler example of one scene: