The story of the usually very ordinary office worker, Mamiko. That day of all days, she sealed her fate by choosing a dim, gloomy road for her return trip home. She feels a creeping sense of dread from behind her, sensing the evil hands of a bunch of thugs, driven wild by lust. Mamiko is repeatedly violated, over and over again. Yet that is just the prologue of this diary, Mamiko’s Sex Diary, a story that is only just beginning...
