If you're talking about the game with the girl in the gray bodysuit there... I just downloaded it and have been trying to figure it out.
Mouse wheel zooms, click and drag on the background to pan.. move mouse toward bottom of screen to pop up three bars of buttons...
First bar is attack items
Fist, Whip, power whip thingy, claw, hot iron, shock gun (that's what the katakana reads, anyway), shock collar (stays active til you do anything else)
Second bar electrifies her chains
Off, 1, 2, 3, Max
Third bar looks to be rape stuff
Raise one leg, ?, ?, ?, forced blowjob
I think the bars have something to do with using the middle ones here.
Then two buttons on the far right, the first one turns the guy into a silhouette, the second one resets the game.