Top notch actors Shimiken, Genjin Moribayashi, and Jo Oshima teach you the best techniques in SEX teaching materials! Squirting finger man, immediate ascension cunnilingus, portio direct hit position, etc. Positions, points, speed, etc. are thoroughly explained in an easy-to-understand manner! Sora Shiina and other beautiful assistants don't get annoying with only male instructors! Even a female voice will explain the points! A definitive edition that makes SEX dramatically comfortable for men who are worried about tech, rut couples, and women who don't know how to go!
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