​Akehime Saki, a stunning girl with an English mother, harbors a thrilling secret: an illicit relationship with her teacher, Tsuge Akito. The forbidden nature of their trysts only serves to heighten Saki’s excitement. Unbeknownst to them, however, a mysterious figure is watching their every move. When Saki receives a foreboding phone call, warning her against further encounters with Akito, she can’t help but be suspicious. Despite her doubts, Saki succumbs to temptation and continues seeing Akito, unaware that a shameful trap lies in wait. Will Saki and Akito be able to navigate the treacherous path they’ve chosen, or will their intimate affair be exposed?​