As a result of serious examination by SOD female employees, "Which part of the body does a woman feel most when licked?" Enhances the sexual feeling with a soft tongue and doubles the pleasant feeling, an average of 10 or more continuous orgasms in 2 minutes! SOD Sex Science Lab Report 10 Sayo Kunimitsu Sakura Sakura Harajima Tsugumi Baba Higashimizusaki Ayano Ito