From the Succubus label, a highly anticipated continuous rape drama is born!! Himari, who is about to fail a course, seduces an associate professor to avoid repeating a year. Himari, who had a relationship with the associate professor as planned, obtains the credits. Her mother, Chisato, who runs a happening bar after hearing the story, and a regular customer plot to shake down the associate professor using that as leverage. They invite the associate professor's wife, Uruha, to the store.