Sakura, who had been assigned as a new teacher, was liked by her students and colleagues for her quiet and serious personality. However, one day she was suddenly assaulted by the students, and they used the video to blackmail her. Sakura decided to confess this incident to the principal, but the person who appeared there was an ordinary-looking middle-aged female teacher. Realizing that everything was a trap set by her, Sakura found herself sinking deeper into it.
