A prank where you can't read what's next. Nao, a sex-loving G-cup female teacher who is a ``relaxed sex education advocate'', and Risa, an I-cup female teacher who is a ``Spartan sex education advocate'', are wearing provocative body-con dresses on their irresponsible bodies, and are masochistic male students. Mr. Sukimono's completely improvised Γÿå double lewd extracurricular class where he puts his heart and body in between, deprives him of his sight with a blindfold, and plays with his sensitive dick that has been sharpened to the limit in the name of guidance. All 5 stories.