A mysterious cram school that students do not want to quit! The true identity was a sexual lecture given by a beautiful instructor full of pheromones! Skirt, brachira, nipple porori are natural! A super-problem instructor, "Airi", who immediately gives a little to a pure student and immediately makes a mistake with an etch when trouble occurs! The hip line and the lustrous leg line beauty that are too shabby disturb the concentration of students! A topical work made for examinees nationwide! Please take a break! !!