PURE ENDING. Definitely. The Rest can go to hell.
In a world full of freaks and wankers they should have a beautiful ending, after resisting all this shit they went through. The icing on the Cake would be a pregnant Kat, with a Child from MC (sorry Joshy
). It is far more thrilling to resist all these temptations during Gameplay, instead of giving in to all of this.
Because, the regular choices would always be fucking here-fucking there *yawns*. You have to be more creative as a Dev to mold a Story for "what is happening if they resist". To see these (pure) Paths in a Game, is much more entertaining. You can see and feel in these situations, if a Dev really cares about his/her Game. Creating a Sex Scene is no biggie (storywise) but creating a non-Sex-Scene and add a "feel good" Choice (with fitting renders and words)..this is art. (just my humble opinion).