Spreading the message of "Sister's Orgasm Study" - Ayumi Okazaki 10musume_102318_01

Okazaki Ayumi, who boasts amazing large breasts and aspires to be a broadcasting hostess, uses the instructor's penis for training in washing, oral sex, and breast sex. She experiences intense pleasure and even squirts during her first time being trained with a vibrator! The instructor guides her step-by-step until she ejaculates inside him!