ZOZO-221 2nd period of health and physical education at a co-educational school where men and women practice high-quality classes where men and women learn about the differences in their bodies naked.Mechanisms of male genitalia and ejaculation.

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Improving the quality of sex education is urgently needed to combat the declining birthrate! The highlight of the new curriculum set by the country is - learning about real sex with classmates! The theme of the second period is Male erection and ejaculation mechanism . Now, Ran Himeno, Kano Amano, please make the boy erect with your hands and mouth. The chairperson, Mio Matsuoka, will support you. The responsibility continues no matter how much you protest.