This is the most bizarre day for Kai Miharu as she enters enters into a world of sex testing at the clinic. It is a strange world of wild sex and this young lady has no idea what she is getting into. She had thought that she was there to be interviewed for a trial and a study. She applied as she needed some money and thought this would be easy. She had no idea that she would end up in a crazy place with the strangest happenings around her.