Really need a walkthrough for this. Did about 4 gameplays and found different scenes each time. Still, I'm sure I missed some.
It's pretty simple, there are only 2 end scenes with each girl, solely determined by whether they are positive or negative on the last encounter. If you enable console and manipulate these values (corruption, selfesteem, coolness) the end scene will change regardless of your choices. For example, you could refuse alcohol to the blonde every time giving her a very low coolness, save before the last encounter, change it in the console to any number above 400, and the blowjob scene would trigger as if you gave her alcohol rather than the fingering scene.
>400 in their stat (corruption, selfesteem, coolness)
Redhead: will not be ashamed in the bathroom
Blonde: Blowjob
Brunette: Breastjob, blowjob
<=400
Redhead: Will be embarrassed in the bathroom (wtf why no redhead content)
Blonde: Fingering
Brunette: Fingering