For all Faux endings, none of them are sexual; for the True Endings, sexuality plays into the dialogue of a good chunk of the endings, but there's nothing sexually depicted visually in the True Endings.
For the "VieIsWithYou" thing, it changes how cutscenes react in the last level (and there's different secret events that happen both with and without this activated); this isn't something you need to do through changing the code though, it happens normally in-game if you've got all the Fragments and Gold Databanks before completing the fourth level.
Glad to hear you're enjoying the game! :)