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6 (2021)

In Japan, where the declining birthrate and aging population are being called for, high school students who are facing secondary sexual characteristics ● Sex education for students plays a very important role. However, because our school is a boys' school, everyone's consciousness is very low! So today, three new female teachers will actually teach "differences between male and female genitals" and "pregnancy mechanism / sex selection method" using their own nakedness! all! Thank you!