If you watch this, you will definitely improve your sex skills! How to learn how to have truly pleasurable sex to AV! Mizuki Yayoi(older sister) with an erotic deviation score of 72 gently lectures her dumped and depressed brother on sex that women like. Kisses that girls love, the mechanics of the vagina, cunnilingus that makes you cum for real, pistoning techniques that make it easier to cum. If you put all of these into practice, you'll be guaranteed a fulfilling sex life! This is a practical work that's easier to jerk off to than educational AV where AV actors are in the forefront!