羞恥!新任女教師が学習教材にされる男子校の性教育生徒の目の前で無遠慮な指が膣に挿入される!プライドは崩壊するが、子宮の奥から愛液があふれ出る11 - さつき芽衣 (2023)

In 20XX, new female teachers were adopted into our school's traditional sex education curriculum under the educational reform of "expanding time to hold sex rather than pens" in the compulsory education curriculum due to Japan's serious measures against the declining birthrate. For the sake of the male students who will be responsible for the future, she strips naked and lets them experience with all five senses the differences between the genitals of men and women and the mechanism of pregnancy, and learn how good sex can be.