Former female teacher Beni accidentally reunites with her student Muto. Muto, who reunites with his longing teacher, is completely infatuated with the ripened body of Benimi, which gives off a melt-in-your-mouth sex appeal. Muto, who visits repeatedly, catches a glimpse of Benimi's naked masturbation, and he can't help but get close to her, and she becomes absorbed in a passionate affair with her student. The same student Hosaka also joins, and sex 'extracurricular class' begins with a rich 3P.
