In the pulsating world of hentai, Saki, the innocent schoolgirl, finds herself in a taboo situation as she discovers her brother's secret stash of erotic manga. Drawn to the explicit illustrations, she can't help but feel a stirring in her loins. Her brother catches her with the contraband, and instead of anger, he sees an opportunity. He introduces her to the world of eroge games, where they can act out their darkest desires in the safety of virtual reality.