A professional female physiologist teaches physiology knowledge online

專業生理學女醫生在線教學生理學知識,教授各位小男生如何讓女人達到高潮欲罷不能
プロの女性生理学者がオンラインで生理学の知識を教え、若い男の子に女性をオーガズムに導く方法を教えます。
A professional female physiologist teaches physiology knowledge online and teaches young boys how to make women reach orgasm.