Just some starter info,
D is kick, F is punch.
Kick sucks because it's slow but does more damage than punch, spam the punch key.
You can skip the sex scenes by pressing space. You can always go back to it in the extras in the title menu.
In conference rooms, find something shiny and walk to it.
After defeating Premium, revisit her and you can buy stuff with points, highest value is Dille and Elle.
There's a basement too, left side, keep going down.
Bodyguard in restroom is good farming for points, super easy to kill, 50 points, and spawns 2-3 seconds after death.
Tips for defeating