We could be able to use that option/button any time we wanted a better view of the act, for example:
1. Using the option in different parts of the body of a character, or the whole body itself so we can watch better the scene in many new different angles and ways.
2. Making just the penis invisible so we can see the interior part of the vagina/rectum.
Comments
It would be amazing to turn up a slider for semi-transparency of the characters stomach to be able to watch and appreciate the depth of full penetration.