Mania na Onna 2

The game is set in modern Tokyo, and is divided into chapters. In the first chapter, you are a college girl and in 5 days you find out why your boyfriend is cheating on you. On the way you pick up a lot of new characters and at the end of that if done right you will have sex with your boyfriend. In each chapter, the protagonist is different but all the characters know each other. [Loosely based on Anime Densetsu]