There are three main visible stats in the game: Girl's Friendship, Girl's Horniness and Money. You can see them at the top right and left corner of the screen. There is also one hidden stat and that is how horny you are. Based on these stats and your interaction with enviroment the story paths unfold.
You starting to play in the role of freelance programmer, whos career is not so successful as expected. Currently you are desperately seeking for the client who would buy the "special software" you have been working on for a while and you hope it will make you filthy rich. In the meantime, your sister is having argue with her daughter whether she will go on college or not. This argue ends in having your niece in your apartment free room. And she is currently looking for a job instead going to the college in order to be independent...