You can think of this game as a sort of crossover as this time, our model called Diva Mizuki is going to be protagonist in an adventure totally different from what she's been involved with before This time, she'll be a part of research and experiments in the "Aperture Science"! It's true - this game is set in the videogame universe "Portal" and there'll even be portal guns in the mix but with interesting changes. This parody isn't only a crossover but is also a hentai-themed parody! There are 10 levels to play through during which you'll help Diva Mizuki solve some the sexy problems which will be posed before her. And let us assure you that it's not the easiest ride...