Prestige actress "Yakake Umi" became a health room teacher and sex instruction! From the practical way of preplaying to sex, Mr. Yakake is standing up and giving a lecture! In the correct usage course of adult toys, I thoroughly explain how to make girls feel comfortable with rotors, electric machines and vibes in my own masuko! To tell you that tempo is important in the piston work that makes a woman squirrel, shaking her waist according to the metronome! Prove with your own body that you can reach the best orgasm by engraving a certain pleasant rhythm! AV teaching material that you can learn “really pleasant sex” with Mr. Yakake!