Kazuma moved to Tokyo for a new job, but due to a moving company error, his belongings were delayed, forcing him to temporarily stay at his aunt Rinka's place. As before, he opened up to the beautiful Rinka about his troubles. "I got dumped by my girlfriend... She said my foreplay was terrible." Seeing Kazuma so depressed, a deep desire stirred within Rinka: "I have to help him—somehow!"