Boasting marshmallow K-cup breasts, Marina Yuzuki lovingly and deliciously swallows the pent-up semen of the male students and teachers at school! Marina-sensei has just been appointed to the new school. One day after school, the PE teacher calls out to her, and she decides to take a look at the activities of the Sexual Desire Management Committee. At first she is surprised, but gradually she becomes more and more enthusiastic about the committee's activities. That's why this time, it's a spin-off work that focuses on the activities of the Sexual Desire Management Committee's advisor ♪