SDJS-223 Multiple clothed SOD female employees thoroughly study the embarrassment reactions of naked men, conducting a serious nipple encirclement experiment. SOD Sex Science Lab REPORT18: Despite being bewildered by the sensitive responses, eyes can't be

The purpose of this training is to expand the sexual knowledge of female employees in order to generate new ideas for projects, products, and businesses. We will research the relationship between male nipples and penises. How do nipple stimulation affect penis erection, semen volume, and male reactions? Despite feeling shy, female employees seriously touch and lick nipples and penises to explore. This work is a partially cut version of previously released SDJS-223.