Abusing her position as a teacher, Maki Isozaki delivers an intensely lewd, hands-on tutoring session driven by raw sexual desire. Maki, who is also her student's friend's wife, finds herself increasingly restless while giving lessons. "Whenever I see a man while teaching, my heart starts pounding... I just can't help it—I crave it," she confesses, drawing them closer. Their relationship quickly deepens, evolving into a special, intimate reward that fulfills their adult desires.