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4 (2020)

Overview

A boys' school that conducts health and physical education classes using female teachers as samples. A new female teacher who has a sense of mission and has been assigned without knowing it. He was persuaded by his senior teacher to "improve the quality of the lessons," and while he was confused, he took off his clothes and underwear and stripped his fresh body in his twenties naked. Bare pink nipples. Thin pubic hair. Sex education is given to boys who have sexual desire using a dazzling female body ... The back of the vagina is also observed, and love juice slowly flows out ...