Anzu, who failed her physical education class and is now at risk of not graduating, consults her homeroom teacher, Natsumi. Encouraged by Natsumi's strong words—"Do whatever it takes to earn those credits"—Anzu takes matters into her own gloved hands. Despite her nervousness, she begins vigorously jerking off alongside her teacher. Did Anzu manage to regain her credit? The outcome is recorded in the vibrator.